Bassichetto, Katia Cristina; Sperandei, Sandro; McCartney, Daniel Jason; Luppi, Carla Gianna; Silva, Roberto José Carvalho da; Araújo, Sandra; Magno, Laio; Bazzo, Maria Luíza; Hughes, Gwenda; Mayaud, Philippe; +2 more... Dourado, Inês; Veras, Maria Amélia de Sousa Mascena; (2024) Prevalence of chlamydia and gonorreheae among transgender women and travestis in five Brazilian capitals, 2019-2021. Revista Brasileira de Epidemiologia, 27Supp (Suppl ). e240006.supl.1-. ISSN 1415-790X DOI: https://doi.org/10.1590/1980-549720240006.supl.1

Veras, Maria Amelia de Sousa Mascena; Pinheiro, Thiago Felix; Galan, Lenice; Magno, Laio; Leal, Andréa Fachel; Knauth, Daniela Riva; Motta-Castro, Ana Rita Coimbra; Queiroz, Rita Suely Bacuri de; Mayaud, Philippe; McCartney, Daniel Jason; +9 more... Hughes, Gwenda; Santos, Camila Mattos Dos; Bastos, Leonardo; Bassichetto, Katia Cristina; Sperandei, Sandro; Barros, Claudia Renata Dos Santos; Silva, Rodrigo Calado da; Bastos, Francisco Inácio; Dourado, Maria Inês Costa; (2024) TransOdara study: the challenge of integrating methods, settings and procedures during the COVID-19 pandemic in Brazil. Revista Brasileira de Epidemiologia, 27Supp (Suppl ). e240002.supl.1-. ISSN 1415-790X DOI: https://doi.org/10.1590/1980-549720240002.supl.1

Beale, Mathew A; Thorn, Louise; Cole, Michelle J; Pitt, Rachel; Charles, Hannah; Ewens, Michael; French, Patrick; Guiver, Malcolm; Page, Emma E; Smit, Erasmus; +6 more... Vera, Jaime H; Sinka, Katy; Hughes, Gwenda; Marks, Michael; Fifer, Helen; Thomson, Nicholas R; (2023) Genomic epidemiology of syphilis in England: a population-based study. The Lancet. Microbe, 4 (10). e770-e780. ISSN 2666-5247 DOI: https://doi.org/10.1016/S2666-5247(23)00154-4

Brown, Jack Rg; Reid, David; Howarth, Alison R; Mohammed, Hamish; Saunders, John; Pulford, Caisey V; Ogaz, Dana; Hughes, Gwenda; Mercer, Catherine H; (2023) Sexual behaviour, STI and HIV testing and testing need among gay, bisexual and other men who have sex with men recruited for online surveys pre/post-COVID-19 restrictions in the UK. Sexually transmitted infections, 99 (7). pp. 467-473. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2022-055689

Brown, Jack Rg; Reid, David; Howarth, Alison R; Mohammed, Hamish; Saunders, John; Pulford, Caisey V; Ogaz, Dana; Hughes, Gwenda; Mercer, Catherine H; (2023) Difficulty accessing condoms because of the COVID-19 pandemic reported by gay, bisexual and other men who have sex with men in the UK: findings from a large, cross-sectional, online survey. International journal of STD & AIDS, 34 (8). pp. 541-547. ISSN 0956-4624 DOI: https://doi.org/10.1177/09564624231160804

Fongwen, Noah T; Nchafack, Almighty; Rohan, Hana; Ong, Jason J; Tucker, Joseph D; Beckmann, Nadine; Hughes, Gwenda; Peeling, Rosanna W; (2023) Role and effectiveness of telephone hotlines in outbreak response in Africa: A systematic review and meta-analysis. PloS One, 18 (11). e0292085-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0292085

Ogaz, Dana; Allen, Hester; Reid, David; Brown, Jack RG; Howarth, Alison R; Pulford, Caisey V; Mercer, Catherine H; Saunders, John; Hughes, Gwenda; Mohammed, Hamish; (2023) COVID-19 infection and vaccination uptake in men and gender-diverse people who have sex with men in the UK: analyses of a large, online community cross-sectional survey (RiiSH-COVID) undertaken November-December 2021. BMC public health, 23 (1). p. 829. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-023-15779-5

Woode Owusu, Melvina; Estupiñán Fdez de Mesa, Mar; Mohammed, Hamish; Gerressu, Makeda; Hughes, Gwenda; Mercer, Catherine H; (2023) Race to address sexual health inequalities among people of Black Caribbean heritage: could co-production lead to more culturally appropriate guidance and practice? Sexually transmitted infections, 99 (5). pp. 293-295. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2023-055798

Allen, Hester; Merrick, Rachel; Ivanov, Zdravko; Pitt, Rachel; Mohammed, Hamish; Sinka, Katy; Hughes, Gwenda; Fifer, Helen; Cole, Michelle Jayne; (2022) Is there an association between previous infection with Neisseria gonorrhoeae and gonococcal AMR? A cross-sectional analysis of national and sentinel surveillance data in England, 2015-2019. SEXUALLY TRANSMITTED INFECTIONS, 99 (1). pp. 1-6. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2021-055298

Brown, Jack Rg; Reid, David; Howarth, Alison R; Mohammed, Hamish; Saunders, John; Pulford, Caisey V; Hughes, Gwenda; Mercer, Catherine H; (2022) Changes in STI and HIV testing and testing need among men who have sex with men during the UK's COVID-19 pandemic response. Sexually Transmitted Infections, 99 (4). pp. 226-238. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2022-055429

Mitchell, Holly D; Vilaplana, Tatiana Garcia; Mandal, Sema; Ratna, Natasha; Glancy, Megan; Shah, Ammi; Simmons, Ruth; Penman, Celia; Kirsebom, Freja; Costella, Annastella; +6 more... Brown, Alison E; Mohammed, Hamish; Delpech, Valerie; Sinka, Katy; Hughes, Gwenda; UK Health Security Agency National STI, HIV and Viral Hepatitis ; (2022) Effects of COVID-19 Pandemic Response on Service Provision for Sexually Transmitted Infections, HIV, and Viral Hepatitis, England. Emerging infectious diseases, 28 (3). pp. 739-742. ISSN 1080-6040 DOI: https://doi.org/10.3201/eid2803.211998

Mitchell, Holly D; Whitlock, Gary; Zdravkov, Jey; Olsson, Jenny; Silalang, Panida; Bardsley, Megan; Blomquist, Paula B; Jenkins, Claire; Thomson, Nicholas R; Field, Nigel; +1 more... Hughes, Gwenda; (2022) Prevalence and risk factors of bacterial enteric pathogens in men who have sex with men: A cross-sectional study at the UK's largest sexual health service. Journal of infection, 86 (1). pp. 33-40. ISSN 0163-4453 DOI: https://doi.org/10.1016/j.jinf.2022.10.033

de Oliveira, Vítor Falcão; Coracini Tonacio, Adriana; Marchi, Ana Paula; Farrel Côrtes, Marina; Luiza Bazzo, Maria; Takeshigue Lemos, Gabriela; Bortolotto Bampi, Jose Victor; Patricia Sanchez Espinoza, Evelyn; Luiz Tarsia Duarte, Edson; Cristina Ruedas Martins, Roberta; +8 more... Alves Dos Santos, Sânia; Vieira Perdigão Neto, Lauro; Ramalho da Costa-Lourenço, Ana Paula; Regina Bonelli, Raquel; Rita Elmore, Maria; Rossi, Flavia; Hughes, Gwenda; Figueiredo Costa, Silvia; (2022) Neisseria gonorrhoeae arthritis in a patient with systemic lupus: resistance and virulence profiles. Microbes and infection, 25 (1-2). 105037-. ISSN 1286-4579 DOI: https://doi.org/10.1016/j.micinf.2022.105037

Bardsley, Megan; Wayal, Sonali; Blomquist, Paula; Mohammed, Hamish; Mercer, Catherine H; Hughes, Gwenda; (2021) Improving our understanding of the disproportionate incidence of STIs in heterosexual-identifying people of black Caribbean heritage: findings from a longitudinal study of sexual health clinic attendees in England. Sexually transmitted infections, 98 (1). pp. 23-31. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2020-054784

Beale, Mathew A; Marks, Michael; Cole, Michelle J; Lee, Min-Kuang; Pitt, Rachel; Ruis, Christopher; Balla, Eszter; Crucitti, Tania; Ewens, Michael; Fernández-Naval, Candela; +28 more... Grankvist, Anna; Guiver, Malcolm; Kenyon, Chris R; Khairullin, Rafil; Kularatne, Ranmini; Arando, Maider; Molini, Barbara J; Obukhov, Andrey; Page, Emma E; Petrovay, Fruzsina; Rietmeijer, Cornelis; Rowley, Dominic; Shokoples, Sandy; Smit, Erasmus; Sweeney, Emma L; Taiaroa, George; Vera, Jaime H; Wennerås, Christine; Whiley, David M; Williamson, Deborah A; Hughes, Gwenda; Naidu, Prenilla; Unemo, Magnus; Krajden, Mel; Lukehart, Sheila A; Morshed, Muhammad G; Fifer, Helen; Thomson, Nicholas R; (2021) Global phylogeny of Treponema pallidum lineages reveals recent expansion and spread of contemporary syphilis. Nature Microbiology, 6 (12). pp. 1549-1560. ISSN 2058-5276 DOI: https://doi.org/10.1038/s41564-021-01000-z

Dallman, Timothy J; Charles, Hannah; Prochazka, Mateo; Sinka, Katy; Hughes, Gwenda; Godbole, Gauri; Jenkins, Claire; (2021) Emergence of novel strains of Shigella flexneri associated with sexual transmission in adult men in England, 2019-2020. Journal of Medical Microbiology, 70 (10). ISSN 0022-2615 DOI: https://doi.org/10.1099/jmm.0.001437

Fifer, Helen; Hughes, Gwenda; (2021) Oropharyngeal Neisseria gonorrhoeae infections: should women be routinely tested? The Lancet Infectious diseases, 21 (6). pp. 754-756. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(20)30777-5

Fifer, Helen; Hughes, Gwenda; Ladhani, Shamez; (2021) Shining the light on congenital syphilis: from TORCH to SCORTCH. Archives of disease in childhood, 106 (10). pp. 937-938. ISSN 0003-9888 DOI: https://doi.org/10.1136/archdischild-2019-318503

Fifer, Helen; Merrick, Rachel; Pitt, Rachel; Yung, Mandy; Allen, Hester; Day, Michaela; Sinka, Katy; Woodford, Neil; Mohammed, Hamish; Brown, Colin S; +3 more... Hughes, Gwenda; Cole, Michelle; MARS Collaborators Group; (2021) Frequency and Correlates of Mycoplasma genitalium Antimicrobial Resistance Mutations and Their Association With Treatment Outcomes: Findings From a National Sentinel Surveillance Pilot in England. Sexually transmitted diseases, 48 (12). pp. 951-954. ISSN 0148-5717 DOI: https://doi.org/10.1097/OLQ.0000000000001493

Howarth, Alison R; Saunders, John; Reid, David; Kelly, Isabelle; Wayal, Sonali; Weatherburn, Peter; Hughes, Gwenda; Mercer, Catherine H; (2021) 'Stay at home …': exploring the impact of the COVID-19 public health response on sexual behaviour and health service use among men who have sex with men: findings from a large online survey in the UK. Sexually transmitted infections, 98 (5). pp. 346-352. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2021-055039

Kohli, Manik; Reid, David; Pulford, Caisey V; Howarth, Alison; Brown, Jack; Mohammed, Hamish; Hughes, Gwenda; Mercer, Catherine H; Saunders, John; (2021) Choice of antibiotics for prophylaxis of bacterial STIs among individuals currently self-sourcing. SEXUALLY TRANSMITTED INFECTIONS, 98 (2). 158-. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2021-055310

Mitchell, Holly D; Thomson, Nicholas R; Jenkins, Claire; Dallman, Timothy J; Painset, Anaïs; Kirwan, Peter; Delpech, Valerie; Mikhail, Amy FW; Field, Nigel; Hughes, Gwenda; (2021) Linkage of Whole Genome Sequencing, Epidemiological, and Clinical Data to Understand the Genetic Diversity and Clinical Outcomes of Shigella flexneri among Men Who Have Sex with Men in England. Microbiology spectrum, 9 (3). e0121321-. ISSN 2165-0497 DOI: https://doi.org/10.1128/Spectrum.01213-21

Prochazka, Mateo; Charles, Hannah; Allen, Hester; Cole, Michelle; Hughes, Gwenda; Sinka, Katy; (2021) Rapid Increase in Lymphogranuloma Venereum among HIV-Negative Men Who Have Sex with Men, England, 2019. Emerging infectious diseases, 27 (10). pp. 2695-2699. ISSN 1080-6040 DOI: https://doi.org/10.3201/eid2710.210309

Allen, Hester; Kirwan, Peter; Brown, Alison E; Mohammed, Hamish; Hughes, Gwenda; Marks, Michael; Delpech, Valerie; (2020) Does being on HIV antiretroviral therapy increase the risk of syphilis? An analysis of a large national cohort of MSM living with HIV in England 2009-2016. Sexually Transmitted Infections, 97 (3). pp. 221-225. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2020-054603

Allen, Hester; Pitt, Rachel; Bardsley, Megan; Smolarchuk, Christa; Sullivan, Ann; Mohammed, Hamish; Cole, Michelle; Fifer, Helen; Wallace, Lesley; Thomas, Daniel; +4 more... Irvine, Neil; Templeton, Kate; Hughes, Gwenda; Simms, Ian; (2020) Investigating the decline in Lymphogranuloma venereum diagnoses in men who have sex with men in the United Kingdom since 2016: an analysis of surveillance data. Sexual health, 17 (4). pp. 344-351. ISSN 1448-5028 DOI: https://doi.org/10.1071/SH20001

Bardsley, Megan; Jenkins, Claire; Mitchell, Holly D; Mikhail, Amy FW; Baker, Kate S; Foster, Kirsty; Hughes, Gwenda; Dallman, Timothy J; (2020) Persistent Transmission of Shigellosis in England Is Associated with a Recently Emerged Multidrug-Resistant Strain of Shigella sonnei. Journal of clinical microbiology, 58 (4). ISSN 0095-1137 DOI: https://doi.org/10.1128/JCM.01692-19

Blomquist, Paula Bianca; Mohammed, Hamish; Mikhail, Amy; Weatherburn, Peter; Reid, David; Wayal, Sonali; Hughes, Gwenda; Mercer, Catherine H; (2020) Characteristics and sexual health service use of MSM engaging in chemsex: results from a large online survey in England. Sexually transmitted infections, 96 (8). pp. 590-595. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2019-054345

Brooks, Avril; Lucidarme, Jay; Campbell, Helen; Campbell, Laura; Fifer, Helen; Gray, Steve; Hughes, Gwenda; Lekshmi, Aiswarya; Schembri, Gabriel; Rayment, Michael; +3 more... Ladhani, Shamez N; Ramsay, Mary E; Borrow, Ray; (2020) Detection of the United States Neisseria meningitidis urethritis clade in the United Kingdom, August and December 2019 - emergence of multiple antibiotic resistance calls for vigilance. Eurosurveillance, 25 (15). pp. 2-5. ISSN 1025-496X DOI: https://doi.org/10.2807/1560-7917.ES.2020.25.15.2000375

Fifer, Helen; Hughes, Gwenda; Whiley, David; Lahra, Monica M; (2020) Lessons learnt from ceftriaxone-resistant gonorrhoea in the UK and Australia. The Lancet Infectious diseases, 20 (3). pp. 276-278. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(20)30055-4

Harb, Ana K; Mohammed, Hamish; Furegato, Martina; Wayal, Sonali; Mercer, Catherine H; Hughes, Gwenda; (2020) The association between region of birth and sexually transmitted infections among people of black Caribbean ethnicity attending sexual health services in England, 2015. PloS one, 15 (2). e0228654-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0228654

O'Halloran, Charlotte; Croxford, Sara; Mohammed, Hamish; Gill, Owen Noel; Hughes, Gwenda; Fifer, Helen; Allen, Hester; Owen, Greg; Nutland, Will; Delpech, Valerie; +1 more... Saunders, John Michael; (2020) Factors associated with reporting antibiotic use as STI prophylaxis among HIV PrEP users: findings from a cross-sectional online community survey, May-July 2019, UK. Sexually transmitted infections, 97 (6). pp. 429-433. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2020-054592

Town, Katy; Field, Nigel; Harris, Simon R; Sánchez-Busó, Leonor; Cole, Michelle J; Pitt, Rachel; Fifer, Helen; Mohammed, Hamish; Hughes, Gwenda; (2020) Phylogenomic analysis of Neisseria gonorrhoeae transmission to assess sexual mixing and HIV transmission risk in England: a cross-sectional, observational, whole-genome sequencing study. The Lancet. Infectious diseases, 20 (4). pp. 478-486. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(19)30610-3

Town, Katy; Harris, Simon; Sánchez-Busó, Leonor; Cole, Michelle J; Pitt, Rachel; Fifer, Helen; Mohammed, Hamish; Field, Nigel; Hughes, Gwenda; (2020) Genomic and Phenotypic Variability in Neisseria gonorrhoeae Antimicrobial Susceptibility, England. Emerging infectious diseases, 26 (3). pp. 505-515. ISSN 1080-6040 DOI: https://doi.org/10.3201/eid2603.190732

Wayal, Sonali; Gerressu, Makeda; Weatherburn, Peter; Gilbart, Victoria; Hughes, Gwenda; Mercer, Catherine H; (2020) A qualitative study of attitudes towards, typologies, and drivers of concurrent partnerships among people of black Caribbean ethnicity in England and their implications for STI prevention. BMC public health, 20 (1). 188-. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-020-8168-0

Aicken, Catherine RH; Wayal, Sonali; Blomquist, Paula B; Fabiane, Stella M; Gerressu, Makeda; Hughes, Gwenda; Mercer, Catherine H; (2019) Pathways to, and use of, sexual healthcare among Black Caribbean sexual health clinic attendees in England: evidence from cross-sectional bio-behavioural surveys. BMC health services research, 19 (1). 668-. ISSN 1472-6963 DOI: https://doi.org/10.1186/s12913-019-4396-3

Cole, Michelle Jayne; Field, Nigel; Pitt, Rachel; Amato-Gauci, Andrew J; Begovac, Josip; French, Patrick D; Keše, Darja; Klavs, Irena; Zidovec Lepej, Snjezana; Pöcher, Katharina; +4 more... Stary, Angelika; Schalk, Horst; Spiteri, Gianfranco; Hughes, Gwenda; (2019) Substantial underdiagnosis of lymphogranuloma venereum in men who have sex with men in Europe: preliminary findings from a multicentre surveillance pilot. Sexually transmitted infections, 96 (2). pp. 137-142. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2019-053972

Jennison, Amy V; Whiley, David; Lahra, Monica M; Graham, Rikki M; Cole, Michelle J; Hughes, Gwenda; Fifer, Helen; Andersson, Monique; Edwards, Anne; Eyre, David; (2019) Genetic relatedness of ceftriaxone-resistant and high-level azithromycin resistant Neisseria gonorrhoeae cases, United Kingdom and Australia, February to April 2018. Eurosurveillance, 24 (8). pp. 15-18. ISSN 1560-7917 DOI: https://doi.org/10.2807/1560-7917.ES.2019.24.8.1900118

Kesten, Joanna M; Dias, Kaiseree; Burns, Fiona; Crook, Paul; Howarth, Alison; Mercer, Catherine H; Rodger, Alison; Simms, Ian; Oliver, Isabel; Hickman, Matthew; +2 more... Hughes, Gwenda; Weatherburn, Peter; (2019) Acceptability and potential impact of delivering sexual health promotion information through social media and dating apps to MSM in England: a qualitative study. BMC public health, 19 (1). 1236-. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-019-7558-7

King, Carina; Llewellyn, Carrie; Shahmanesh, Maryam; Abraham, Charles; Bailey, Julia; Burns, Fiona; Clark, Laura; Copas, Andrew; Howarth, Alison; Hughes, Gwenda; +7 more... Mercer, Cath; Miners, Alec; Pollard, Alex; Richardson, Daniel; Rodger, Alison; Roy, Anupama; Gilson, Richard; (2019) Sexual risk reduction interventions for patients attending sexual health clinics: a mixed-methods feasibility study. Health technology assessment, 23 (12). pp. 1-122. ISSN 1366-5278 DOI: https://doi.org/10.3310/hta23120

Kirkcaldy, Robert D; Weston, Emily; Segurado, Aluisio C; Hughes, Gwenda; (2019) Epidemiology of gonorrhoea: a global perspective. Sexual health, 16 (5). pp. 401-411. ISSN 1448-5028 DOI: https://doi.org/10.1071/SH19061

Mitchell, Holly D; Desai, Sarika; Mohammed, Hamish; Ong, Koh Jun; Furegato, Martina; Hall, Victoria; Desai, Monica; Saunders, John Michael; Hughes, Gwenda; Field, Nigel; +1 more... Gill, O Noel; (2019) Preparing for PrEP: estimating the size of the population eligible for HIV pre-exposure prophylaxis among men who have sex with men in England. Sexually transmitted infections, 95 (7). pp. 484-487. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2019-054009

Mitchell, Holly D; Mikhail, Amy FW; Painset, Anaïs; Dallman, Timothy J; Jenkins, Claire; Thomson, Nicholas R; Field, Nigel; Hughes, Gwenda; (2019) Use of whole-genome sequencing to identify clusters of Shigella flexneri associated with sexual transmission in men who have sex with men in England: a validation study using linked behavioural data. Microbial genomics, 5 (11). ISSN 2057-5858 DOI: https://doi.org/10.1099/mgen.0.000311

Ong, Jason J; Wi, Teodora; Hughes, Gwenda; Williamson, Deborah A; Mayaud, Philippe; Chow, Eric PF; (2019) Gonorrhoea: tackling the global epidemic in the era of rising antimicrobial resistance. Sexual health, 16 (5). pp. 397-400. ISSN 1448-5028 DOI: https://doi.org/10.1071/SH19121

Ong, Jason J; Wi, Teodora; Hughes, Gwenda; Williamson, Deborah A; Mayaud, Philippe; Chow, Eric PF; (2019) Meet the Editors. Sexual health, 16 (5). i-iii. ISSN 1448-5028 DOI: https://doi.org/10.1071/SHv16n5_MeetED

Pitt, Rachel; Sadouki, Zahra; Town, Katy; Fifer, Helen; Mohammed, Hamish; Hughes, Gwenda; Woodford, Neil; Cole, Michelle J; (2019) Detection of tet(M) in high-level tetracycline-resistant Neisseria gonorrhoeae. The Journal of antimicrobial chemotherapy, 74 (7). pp. 2115-2116. ISSN 0305-7453 DOI: https://doi.org/10.1093/jac/dkz130

Smolarchuk, Christa; Mohammed, Hamish; Furegato, Martina; Town, Katy; Fifer, Helen; Wilson, Janet; Nardone, Anthony; Lee, Andrew; Hughes, Gwenda; (2019) Just Google it! Impact of media coverage of an outbreak of high-level azithromycin-resistant Neisseria gonorrhoeae on online searches, and attendances, testing and diagnoses at sexual health clinics in England between 2015 and 2016: an interrupted time series analysis using surveillance data. Sexually transmitted infections, 95 (8). pp. 594-601. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2019-053986

Ward, Chris; Hughes, Gwenda; Mitchell, Holly D; Rogstad, Karen E; (2019) Association between STI and child sexual exploitation in children under 16 years old attending sexual health clinics in England: findings from a case-control study. Sexually transmitted infections, 95 (6). pp. 412-415. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2018-053842

Wayal, S; Reid, D; Weatherburn, P; Blomquist, P; Fabiane, S; Hughes, G; Mercer, CH; (2019) Association between knowledge, risk behaviours, and testing for sexually transmitted infections among men who have sex with men: findings from a large online survey in the United Kingdom. HIV medicine, 20 (8). pp. 523-533. ISSN 1464-2662 DOI: https://doi.org/10.1111/hiv.12753

Zienkiewicz, Adam K; Verschueren van Rees, Nicolás; Homer, Martin; Ong, Jason J; Christensen, Hannah; Hill, Darryl; Looker, Katharine J; Horner, Paddy; Hughes, Gwenda; Turner, Katy ME; (2019) Agent-based modelling study of antimicrobial-resistant Neisseria gonorrhoeae transmission in men who have sex with men: towards individualised diagnosis and treatment. Sexual health, 16 (5). pp. 514-522. ISSN 1448-5028 DOI: https://doi.org/10.1071/SH18235

Aghaizu, Adamma; Tosswill, Jennifer; De Angelis, Daniela; Ward, Helen; Hughes, Gwenda; Murphy, Gary; Delpech, Valerie; (2018) HIV incidence among sexual health clinic attendees in England: First estimates for black African heterosexuals using a biomarker, 2009-2013. PloS One, 13 (6). e0197939-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0197939

Baker, Kate S; Dallman, Timothy J; Field, Nigel; Childs, Tristan; Mitchell, Holly; Day, Martin; Weill, François-Xavier; Lefèvre, Sophie; Tourdjman, Mathieu; Hughes, Gwenda; +2 more... Jenkins, Claire; Thomson, Nicholas; (2018) Genomic epidemiology of Shigella in the United Kingdom shows transmission of pathogen sublineages and determinants of antimicrobial resistance. Scientific reports, 8 (1). 7389-. ISSN 2045-2322 DOI: https://doi.org/10.1038/s41598-018-25764-3

Baker, Kate S; Dallman, Timothy J; Field, Nigel; Childs, Tristan; Mitchell, Holly; Day, Martin; Weill, François-Xavier; Lefèvre, Sophie; Tourdjman, Mathieu; Hughes, Gwenda; +2 more... Jenkins, Claire; Thomson, Nicholas; (2018) Horizontal antimicrobial resistance transfer drives epidemics of multiple Shigella species. Nature communications, 9 (1). 1462-. ISSN 2041-1723 DOI: https://doi.org/10.1038/s41467-018-03949-8

Bayley, Jake; Mesher, David; Nadarzynski, Tom; Hughes, Gwenda; Soldan, Kate; (2018) Attendance of MSM at Genitourinary Medicine services in England: implications for selective HPV vaccination programme (a short communication). Sexually transmitted infections, 94 (7). pp. 542-544. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052912

Clifton, Soazig; Bolt, Hikaru; Mohammed, Hamish; Town, Katy; Furegato, Martina; Cole, Michelle; Campbell, Oona; Fifer, Helen; Hughes, Gwenda; (2018) Prevalence of and factors associated with MDR Neisseria gonorrhoeae in England and Wales between 2004 and 2015: analysis of annual cross-sectional surveillance surveys. The Journal of antimicrobial chemotherapy, 73 (4). pp. 923-932. ISSN 0305-7453 DOI: https://doi.org/10.1093/jac/dkx520

Clifton, Soazig; Mercer, Catherine H; Sonnenberg, Pam; Tanton, Clare; Field, Nigel; Gravningen, Kirsten; Hughes, Gwenda; Mapp, Fiona; Johnson, Anne M; (2018) STI Risk Perception in the British Population and How It Relates to Sexual Behaviour and STI Healthcare Use: Findings From a Cross-sectional Survey (Natsal-3). EClinicalMedicine, 2-3. pp. 29-36. ISSN 2589-5370 DOI: https://doi.org/10.1016/j.eclinm.2018.08.001

Clifton, Soazig; Town, Katy; Furegato, Martina; Cole, Michelle; Mohammed, Hamish; Woodhall, Sarah C; Kevin Dunbar, J; Fifer, Helen; Hughes, Gwenda; (2018) Is previous azithromycin treatment associated with azithromycin resistance in Neisseria gonorrhoeae? A cross-sectional study using national surveillance data in England. Sexually transmitted infections, 94 (6). pp. 421-426. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2017-053461

Datta, Jessica; Reid, David; Hughes, Gwenda; Mercer, Catherine H; Wayal, Sonali; Weatherburn, Peter; (2018) Awareness of and attitudes to sexually transmissible infections among gay men and other men who have sex with men in England: a qualitative study. Sexual health, 16 (1). pp. 18-24. ISSN 1448-5028 DOI: https://doi.org/10.1071/SH18025

Desai, S; Burns, F; Schembri, G; Williams, D; Sullivan, A; McOwan, A; Antonucci, S; Mercey, D; Hughes, G; Hart, G; +2 more... Gill, ON; Nardone, Anthony; (2018) Sexual behaviours and sexually transmitted infection outcomes in a cohort of HIV-negative men who have sex with men attending sexual health clinics in England. International journal of STD & AIDS, 29 (14). pp. 1407-1416. ISSN 0956-4624 DOI: https://doi.org/10.1177/0956462418789333

Eyre, David W; Sanderson, Nicholas D; Lord, Emily; Regisford-Reimmer, Natasha; Chau, Kevin; Barker, Leanne; Morgan, Markus; Newnham, Robert; Golparian, Daniel; Unemo, Magnus; +7 more... Crook, Derrick W; Peto, Tim Ea; Hughes, Gwenda; Cole, Michelle J; Fifer, Helen; Edwards, Anne; Andersson, Monique I; (2018) Gonorrhoea treatment failure caused by a Neisseria gonorrhoeae strain with combined ceftriaxone and high-level azithromycin resistance, England, February 2018. Eurosurveillance, 23 (27). pp. 2-7. ISSN 1560-7917 DOI: https://doi.org/10.2807/1560-7917.ES.2018.23.27.1800323

Field, Nigel; Clifton, Soazig; Alexander, Sarah; Ison, Catherine A; Khanom, Rumena; Saunders, Pamela; Hughes, Gwenda; Heath, Laura; Beddows, Simon; Mercer, Catherine H; +3 more... Tanton, Clare; Johnson, Anne M; Sonnenberg, Pam; (2018) Trichomonas vaginalis infection is uncommon in the British general population: implications for clinical testing and public health screening. Sexually transmitted infections, 94 (3). pp. 226-229. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052660

Fifer, Helen; Cole, Michelle; Hughes, Gwenda; Padfield, Simon; Smolarchuk, Christa; Woodford, Neil; Wensley, Adrian; Mustafa, Nazim; Schaefer, Ulf; Myers, Richard; +3 more... Templeton, Kate; Shepherd, Jill; Underwood, Anthony; (2018) Sustained transmission of high-level azithromycin-resistant Neisseria gonorrhoeae in England: an observational study. The Lancet Infectious diseases, 18 (5). pp. 573-581. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(18)30122-1

Hughes, Gwenda; Silalang, Panida; Were, John; Patel, Hemanti; Childs, Tristan; Alexander, Sarah; Duffell, Stephen; Saxon, Cara; Ison, Cathy; Mitchell, Holly; +2 more... Field, Nigel; Jenkins, Claire; (2018) Prevalence and characteristics of gastrointestinal infections in men who have sex with men diagnosed with rectal chlamydia infection in the UK: an 'unlinked anonymous' cross-sectional study. Sexually transmitted infections, 94 (7). pp. 518-521. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-053057

King, Carina; Hughes, Gwenda; Furegato, Martina; Mohammed, Hamish; Were, John; Copas, Andrew; Gilson, Richard; Shahmanesh, Maryam; Mercer, Catherine H; (2018) Predicting STI Diagnoses Amongst MSM and Young People Attending Sexual Health Clinics in England: Triage Algorithm Development and Validation Using Routine Clinical Data. EClinicalMedicine, 4-5. pp. 43-51. ISSN 2589-5370 DOI: https://doi.org/10.1016/j.eclinm.2018.11.002

Mitchell, Holly; Hughes, Gwenda; (2018) Recent epidemiology of sexually transmissible enteric infections in men who have sex with men. Current opinion in infectious diseases, 31 (1). pp. 50-56. ISSN 0951-7375 DOI: https://doi.org/10.1097/QCO.0000000000000423

Mohammed, Hamish; Blomquist, Paula; Ogaz, Dana; Duffell, Stephen; Furegato, Martina; Checchi, Marta; Irvine, Neil; Wallace, Lesley A; Thomas, Daniel Rhys; Nardone, Anthony; +2 more... Dunbar, J Kevin; Hughes, Gwenda; (2018) 100 years of STIs in the UK: a review of national surveillance data. Sexually transmitted infections, 94 (8). pp. 553-558. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2017-053273

Mohan, Keerthi; Hibbert, Matthew; Rooney, Graeme; Canvin, Malcolm; Childs, Tristan; Jenkins, Claire; Simms, Ian; Kirwan, Peter; Delpech, Valerie; Yin, Zheng; +2 more... Hughes, Gwenda; Field, Nigel; (2018) What is the overlap between HIV and shigellosis epidemics in England: further evidence of MSM transmission? Sexually transmitted infections, 94 (1). pp. 67-71. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052962

Mook, P; Gardiner, D; Kanagarajah, S; Kerac, M; Hughes, G; Field, N; McCarthy, N; Rawlings, C; Simms, I; Lane, C; +1 more... Crook, PD; (2018) Use of gender distribution in routine surveillance data to detect potential transmission of gastrointestinal infections among men who have sex with men in England. Epidemiology and infection, 146 (11). pp. 1468-1477. ISSN 0950-2688 DOI: https://doi.org/10.1017/S0950268818001681

Smolarchuk, Christa; Wensley, Adrian; Padfield, Simon; Fifer, Helen; Lee, Andrew; Hughes, Gwenda; (2018) Persistence of an outbreak of gonorrhoea with high-level resistance to azithromycin in England, November 2014‒May 2018. Eurosurveillance, 23 (23). pp. 7-13. ISSN 1560-7917 DOI: https://doi.org/10.2807/1560-7917.ES.2018.23.23.1800287

Town, Katy; Bolt, Hikaru; Croxford, Sara; Cole, Michelle; Harris, Simon; Field, Nigel; Hughes, Gwenda; (2018) Neisseria gonorrhoeae molecular typing for understanding sexual networks and antimicrobial resistance transmission: A systematic review. The Journal of infection, 76 (6). pp. 507-514. ISSN 0163-4453 DOI: https://doi.org/10.1016/j.jinf.2018.02.011

Wayal, Sonali; Aicken, Catherine RH; Griffiths, Catherine; Blomquist, Paula B; Hughes, Gwenda; Mercer, Catherine H; (2018) Understanding the burden of bacterial sexually transmitted infections and Trichomonas vaginalis among black Caribbeans in the United Kingdom: Findings from a systematic review. PloS One, 13 (12). e0208315-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0208315

Wayal, Sonali; Reid, David; Blomquist, Paula B; Weatherburn, Peter; Mercer, Catherine H; Hughes, Gwenda; (2018) The Acceptability and Feasibility of Implementing a Bio-Behavioral Enhanced Surveillance Tool for Sexually Transmitted Infections in England: Mixed-Methods Study. JMIR public health and surveillance, 4 (2). e52-. ISSN 2369-2960 DOI: https://doi.org/10.2196/publichealth.9010

Wiggins, H; Ogaz, D; Mebrahtu, H; Sullivan, A; Bowden-Jones, O; Field, N; Hughes, G; (2018) Demand for and availability of specialist chemsex services in the UK: A cross-sectional survey of sexual health clinics. The International journal on drug policy, 55. pp. 155-158. ISSN 0955-3959 DOI: https://doi.org/10.1016/j.drugpo.2017.12.016

Brown, Alison E; Mohammed, Hamish; Ogaz, Dana; Kirwan, Peter D; Yung, Mandy; Nash, Sophie G; Furegato, Martina; Hughes, Gwenda; Connor, Nicky; Delpech, Valerie C; +1 more... Gill, O Noel; (2017) Fall in new HIV diagnoses among men who have sex with men (MSM) at selected London sexual health clinics since early 2015: testing or treatment or pre-exposure prophylaxis (PrEP)? Eurosurveillance, 22 (25). pp. 4-9. ISSN 1560-7917 DOI: https://doi.org/10.2807/1560-7917.ES.2017.22.25.30553

Canvin, M; Sinka, K; Hughes, G; Mesher, D; (2017) Decline in genital warts diagnoses among young women and young men since the introduction of the bivalent HPV (16/18) vaccination programme in England: an ecological analysis. Sexually transmitted infections, 93 (2). pp. 125-128. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052626 Item availability may be restricted.

Chandra, Nastassya L; Soldan, Kate; Dangerfield, Ciara; Sile, Bersabeh; Duffell, Stephen; Talebi, Alireza; Choi, Yoon H; Hughes, Gwenda; Woodhall, Sarah C; (2017) Filling in the gaps: estimating numbers of chlamydia tests and diagnoses by age group and sex before and during the implementation of the English National Screening Programme, 2000 to 2012. Eurosurveillance, 22 (5). pp. 23-33. ISSN 1560-7917 DOI: https://doi.org/10.2807/1560-7917.ES.2017.22.5.30453

Datta, Jessica; Reid, David; Hughes, Gwenda; Mercer, Catherine H; Wayal, Sonali; Weatherburn, Peter; (2017) Places and people: the perceptions of men who have sex with men concerning STI testing: a qualitative study. Sexually transmitted infections, 94 (1). pp. 46-50. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052983

Furegato, Martina; Fifer, Helen; Mohammed, Hamish; Simms, Ian; Vanta, Paul; Webb, Sharon; Foster, Kirsty; Kingston, Margaret; Charlett, André; Vishram, Bhavita; +3 more... Reynolds, Claire; Gill, Noel; Hughes, Gwenda; (2017) Factors associated with four atypical cases of congenital syphilis in England, 2016 to 2017: an ecological analysis. Eurosurveillance, 22 (49). pp. 2-5. ISSN 1560-7917 DOI: https://doi.org/10.2807/1560-7917.ES.2017.22.49.17-00750

Mitchell, Holly; Furegato, Martina; Hughes, Gwenda; Field, Nigel; Nardone, Anthony; (2017) What are the characteristics of, and clinical outcomes in men who have sex with men prescribed HIV postexposure prophylaxis following sexual exposure (PEPSE) at sexual health clinics in England? Sexually transmitted infections, 93 (3). pp. 207-213. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052806

Mohammed, Hamish; Dabrera, Gavin; Furegato, Martina; Yin, Zheng; Nardone, Anthony; Hughes, Gwenda; (2017) Refusal of HIV testing among black Africans attending sexual health clinics in England, 2014: a review of surveillance data. Sexually transmitted infections, 93 (3). pp. 217-220. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052737

Mohammed, Hamish; Sile, Bersabeh; Furegato, Martina; Woodhall, Sarah; Fifer, Helen; Hughes, Gwenda; (2017) First line dual therapy for gonorrhoea to limit the spread of antimicrobial resistance. British Medical Journal, 356. j565-. ISSN 1759-2151 DOI: https://doi.org/10.1136/bmj.j565

Tanton, Clare; Geary, Rebecca S; Clifton, Soazig; Field, Nigel; Heap, Katie L; Mapp, Fiona; Hughes, Gwenda; Johnson, Anne M; Cassell, Jackie A; Sonnenberg, Pam; +1 more... Mercer, Catherine H; (2017) Sexual health clinic attendance and non-attendance in Britain: findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3). Sexually transmitted infections, 94 (4). pp. 268-276. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2017-053193

Town, K; Furegato, M; Field, N; Hughes, G; (2017) Estimating gonorrhoea prevalence in young heterosexual men and women attending community-based sexual health services to inform decisions on gonorrhoea testing. Epidemiology and infection, 145 (8). pp. 1682-1687. ISSN 0950-2688 DOI: https://doi.org/10.1017/S0950268817000024

Wayal, Sonali; Hughes, Gwenda; Sonnenberg, Pam; Mohammed, Hamish; Copas, Andrew J; Gerressu, Makeda; Tanton, Clare; Furegato, Martina; Mercer, Catherine H; (2017) Ethnic variations in sexual behaviours and sexual health markers: findings from the third British National Survey of Sexual Attitudes and Lifestyles (Natsal-3). The lancet Public health, 2 (10). e458-e472. ISSN 2468-2667 DOI: https://doi.org/10.1016/S2468-2667(17)30159-7

Fifer, Helen; Natarajan, Usha; Jones, Lucy; Alexander, Sarah; Hughes, Gwenda; Golparian, Daniel; Unemo, Magnus; (2016) Failure of Dual Antimicrobial Therapy in Treatment of Gonorrhea. The New England journal of medicine, 374 (25). pp. 2504-2506. ISSN 0028-4793 DOI: https://doi.org/10.1056/NEJMc1512757

Furegato, M; Chen, Y; Mohammed, H; Mercer, CH; Savage, EJ; Hughes, G; (2016) Examining the role of socioeconomic deprivation in ethnic differences in sexually transmitted infection diagnosis rates in England: evidence from surveillance data. Epidemiology and infection, 144 (15). pp. 3253-3262. ISSN 0950-2688 DOI: https://doi.org/10.1017/S0950268816001679

Mercer, Catherine H; Prah, Philip; Field, Nigel; Tanton, Clare; Macdowall, Wendy; Clifton, Soazig; Hughes, Gwenda; Nardone, Anthony; Wellings, Kaye; Johnson, Anne M; +1 more... Sonnenberg, Pam; (2016) The health and well-being of men who have sex with men (MSM) in Britain: Evidence from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3). BMC public health, 16 (1). 525-. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-016-3149-z

Mohammed, Hamish; Sile, Bersabeh; Furegato, Martina; Fifer, Helen; Hughes, Gwenda; (2016) Poor adherence to gonorrhoea treatment guidelines in general practice in England. The British journal of general practice, 66 (648). 352-. ISSN 0960-1643 DOI: https://doi.org/10.3399/bjgp16X686077

Mohammed, Hamish; Were, John; King, Carina; Furegato, Martina; Nardone, Anthony; Hughes, Gwenda; GUMCADv3 Steering Group; (2016) Sexualised drug use in people attending sexual health clinics in England. Sexually transmitted infections, 92 (6). 454-. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2016-052740

Mook, Piers; McCormick, Jacquelyn; Bains, Manpreet; Cowley, Lauren A; Chattaway, Marie A; Jenkins, Claire; Mikhail, Amy; Hughes, Gwenda; Elson, Richard; Day, Martin; +6 more... Manuel, Rohini; Dave, Jayshree; Field, Nigel; Godbole, Gauri; Dallman, Timothy; Crook, Paul; (2016) ESBL-Producing and Macrolide-Resistant Shigella sonnei Infections among Men Who Have Sex with Men, England, 2015. Emerging infectious diseases, 22 (11). pp. 1948-1952. ISSN 1080-6040 DOI: https://doi.org/10.3201/eid2211.160653

Baker, Kate S; Dallman, Timothy J; Ashton, Philip M; Day, Martin; Hughes, Gwenda; Crook, Paul D; Gilbart, Victoria L; Zittermann, Sandra; Allen, Vanessa G; Howden, Benjamin P; +19 more... Tomita, Takehiro; Valcanis, Mary; Harris, Simon R; Connor, Thomas R; Sintchenko, Vitali; Howard, Peter; Brown, Jeremy D; Petty, Nicola K; Gouali, Malika; Thanh, Duy Pham; Keddy, Karen H; Smith, Anthony M; Talukder, Kaisar A; Faruque, Shah M; Parkhill, Julian; Baker, Stephen; Weill, François-Xavier; Jenkins, Claire; Thomson, Nicholas R; (2015) Intercontinental dissemination of azithromycin-resistant shigellosis through sexual transmission: a cross-sectional study. The Lancet infectious diseases, 15 (8). pp. 913-921. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(15)00002-X Full text not available from this repository.

Harding-Esch, Emma; Nardone, Anthony; Gibbs, Jo; Sutcliffe, Lorna; Sonnenberg, Pam; Estcourt, Claudia; Hughes, Gwenda; Mohammed, Hamish; Gill, Noel; Sadiq, S Tariq; +1 more... Lowndes, Catherine; (2015) Can remote STI/HIV testing and eClinical Care be compatible with robust public health surveillance? DH15 (2015), 2015-M. pp. 129-130. DOI: https://doi.org/10.1145/2750511.2750517

Field, Nigel; Clifton, Soazig; Alexander, Sarah; Ison, Catherine A; Hughes, Gwenda; Beddows, Simon; Tanton, Clare; Soldan, Kate; Coelho da Silva, Filomeno; Mercer, Catherine H; +3 more... Wellings, Kaye; Johnson, Anne M; Sonnenberg, Pam; (2014) Confirmatory assays are essential when using molecular testing for Neisseria gonorrhoeae in low-prevalence settings: insights from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3). Sexually transmitted infections, 91 (5). pp. 338-341. ISSN 1368-4973 DOI: https://doi.org/10.1136/sextrans-2014-051850

Le Polain De Waroux, O; Harris, RJ; Hughes, G; Crook, PD; (2013) The epidemiology of gonorrhoea in London: a Bayesian spatial modelling approach. Epidemiology and infection, 142 (1). pp. 211-220. ISSN 0950-2688 DOI: https://doi.org/10.1017/S0950268813000745 Full text not available from this repository.

Le Polain de Waroux, Olivier; Hughes, Gwenda; Maguire, Helen; Crook, Paul D; (2013) Factors associated with travel to non-local genitourinary medicine clinics for gonorrhoea: an analysis of patients diagnosed in London, 2009-10. International journal of STD & AIDS, 25 (3). pp. 184-192. ISSN 0956-4624 DOI: https://doi.org/10.1177/0956462413493404 Full text not available from this repository.

LaMontagne, D Scott; Baster, Kathleen; Emmett, Lynsey; Nichols, Tom; Randall, Sarah; McLean, Louise; Meredith, Paula; Harindra, Veerakathy; Tobin, Jean M; Underhill, Gillian S; +8 more... Hewitt, W Graham; Hopwood, Jennifer; Gleave, Toni; Ghosh, Ajit K; Mallinson, Harry; Davies, Alisha R; Hughes, Gwenda; Fenton, Kevin A; (2006) Incidence and reinfection rates of genital chlamydial infection among women aged 16-24 years attending general practice, family planning and genitourinary medicine clinics in England: a prospective cohort study by the Chlamydia Recall Study Advisory Group. Sexually transmitted infections, 83 (4). sti.2006.022053-. ISSN 1368-4973 DOI: https://doi.org/10.1136/sti.2006.022053 Full text not available from this repository.

Adams, EJ; Charlett, A; Edmunds, WJ; Hughes, G; (2004) Chlamydia trachomatis in the United Kingdom: a systematic review and analysis of prevalence studies. Sexually transmitted infections, 80 (5). pp. 354-362. ISSN 1368-4973 DOI: https://doi.org/10.1136/sti.2003.005454 Full text not available from this repository.