Usuf, E; Mackenzie, G; Lowe-Jallow, Y; Boye, B; Atherly, D; Suraratdecha, C; Griffiths, UK; (2014) Costs of vaccine delivery in the Gambia before and after, pentavalent and pneumococcal conjugate vaccine introductions. Vaccine, 32 (17). pp. 1975-1981. ISSN 0264-410X DOI: https://doi.org/10.1016/j.vaccine.2014.01.045 Full text not available from this repository.

Usuf, Effua; Badji, Henry; Bojang, Abdoulie; Jarju, Sheikh; Ikumapayi, Usman Nurudeen; Antonio, Martin; Mackenzie, Grant; Bottomley, Christian; (2015) Pneumococcal carriage in rural Gambia prior to the introduction of pneumococcal conjugate vaccine: a population-based survey. Tropical medicine & international health, 20 (7). pp. 871-879. ISSN 1360-2276 DOI: https://doi.org/10.1111/tmi.12505 Full text not available from this repository.

Abatan, Baderinwa; Agboghoroma, Orighomisan; Akemoke, Fatai; Antonio, Martin; Awokola, Babatunde; Bittaye, Mustapha; Bojang, Abdoulie; Bojang, Kalifa; Brotherton, Helen; Cerami, Carla; +37 more... Clarke, Ed; D'Alessandro, Umberto; de Silva, Thushan; Drammeh, Mariama; Forrest, Karen; Hofmann, Natalie; Jagne, Sherifo; Jah, Hawanatu; Jarju, Sheikh; Jaye, Assan; Jobe, Modou; Kampmann, Beate; Manjang, Buba; Martinez-Alvarez, Melisa; Mohammed, Nuredin; Nadjm, Behzad; Ndiath, Mamadou Ousmane; Nkereuwem, Esin; Nwakanma, Davis; Oko, Francis; Okoh, Emmanuel; Okomo, Uduak; Olatunji, Yekini; Oriero, Eniyou; Prentice, Andrew M; Roberts, Charles; Roca, Anna; Sabally, Babanding; Sambou, Sana; Samateh, Ahmadou; Secka, Ousman; Sesay, Abdul Karim; Singhateh, Yankuba; Susso, Bubacarr; Usuf, Effua; Vilane, Aminata; Wariri, Oghenebrume; (2021) Intense and Mild First Epidemic Wave of Coronavirus Disease, The Gambia. Emerging infectious diseases, 27 (8). pp. 2064-2072. ISSN 1080-6040 DOI: https://doi.org/10.3201/eid2708.204954

Adegbola, Richard A; DeAntonio, Rodrigo; Hill, Philip C; Roca, Anna; Usuf, Effua; Hoet, Bernard; Greenwood, Brian M; (2014) Carriage of Streptococcus pneumoniae and other respiratory bacterial pathogens in low and lower-middle income countries: a systematic review and meta-analysis. PloS one, 9 (8). e103293-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0103293

Bittaye, Mustapha; Usuf, Effua; Clarke, Ed; (2021) Viewpoint: vaccine inequity in the spotlight. Archives of disease in childhood, 107 (12). e35-. ISSN 0003-9888 DOI: https://doi.org/10.1136/archdischild-2021-322940

Bojang, Abdoulie; Camara, Bully; Jagne Cox, Isatou; Oluwalana, Claire; Lette, Kodou; Usuf, Effua; Bottomley, Christian; Howden, Benjamin P; D'Alessandro, Umberto; Roca, Anna; (2018) Long-term Impact of Oral Azithromycin Taken by Gambian Women During Labor on Prevalence and Antibiotic Susceptibility of Streptococcus pneumoniae and Staphylococcus aureus in Their Infants: Follow-up of a Randomized Clinical Trial. Clinical infectious diseases, 67 (8). pp. 1191-1197. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciy254

Bojang, Abdoulie; Kendall, Lindsay; Usuf, Effua; Egere, Uzochukwu; Mulwa, Sarah; Antonio, Martin; Greenwood, Brian; Hill, Philip C; Roca, Anna; (2017) Prevalence and risk factors for Staphylococcus aureus nasopharyngeal carriage during a PCV trial. BMC infectious diseases, 17 (1). 588-. ISSN 1471-2334 DOI: https://doi.org/10.1186/s12879-017-2685-1

Boni-Cisse, Catherine; Jarju, Sheikh; Bancroft, Rowan E; Lepri, Nicaise A; Kone, Hamidou; Kofi, N'zue; Britoh-Mlan, Alice; Zaba, Flore Sandrine; Usuf, Effua; Ndow, Peter Sylvanus; +6 more... Worwui, Archibald; Mwenda, Jason M; Biey, Joseph N; Ntsama, Bernard; Kwambana-Adams, Brenda A; Antonio, Martin; (2019) Etiology of Bacterial Meningitis Among Children <5 Years Old in Côte d'Ivoire: Findings of Hospital-based Surveillance Before and After Pneumococcal Conjugate Vaccine Introduction. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 69 (Suppl ). S114-S120. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciz475

Brotherton, Helen; Usuf, Effua; Nadjm, Behzad; Forrest, Karen; Bojang, Kalifa; Samateh, Ahmadou Lamin; Bittaye, Mustapha; Roberts, Charles Ap; d'Alessandro, Umberto; Roca, Anna; (2020) Dexamethasone for COVID-19: data needed from randomised clinical trials in Africa. LANCET GLOBAL HEALTH, 8 (9). e1125-e1126. ISSN 2214-109X DOI: https://doi.org/10.1016/S2214-109X(20)30318-1

Dadari, Ibrahim; Ropiti, Laura; Patson, Aven; Okia, Philip; Narasia, Jenny; Hare'e, Timothy; Namohunu, Salome; Ogaoga, Divinal; Gaiofa, Jenny; Usuf, Effua; (2022) An assessment of vaccine wastage in the Solomon Islands. PLoS global public health, 2 (6). e0000572-. ISSN 2767-3375 DOI: https://doi.org/10.1371/journal.pgph.0000572

Dadari, Ibrahim; Usuf, Effua; (2022) Essential medicines wastage assessment in the Solomon Islands. PLOS Global Public Health, 2 (2). e0000181-. DOI: https://doi.org/10.1371/journal.pgph.0000181

Darboe, Saffiatou; Okomo, Uduak; Muhammad, Abdul-Khalie; Ceesay, Buntung; Jallow, Mamadou; Usuf, Effua; Tweed, Sam; Akpalu, Edem; Kwambana-Adams, Brenda; Kariuki, Samuel; +8 more... Antonio, Martin; Bradbury, Richard S; Forrest, Karen; de Silva, Thushan I; Lawal, Bolarinde Joseph; Nwakanma, Davis; Secka, Ousman; Roca, Anna; (2019) Community-acquired Invasive Bacterial Disease in Urban Gambia, 2005-2015: A Hospital-based Surveillance. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 69 (Suppl ). S105-S113. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciz463

Diallo, Brahima Amara; Usuf, Effua; Ceesay, Omar; D'Alessandro, Umberto; Roca, Anna; Martinez-Alvarez, Melisa; (2022) Clinical research on COVID-19: perceptions and barriers to participation in The Gambia. BMJ GLOBAL HEALTH, 7 (2). e007533-e007533. ISSN 2059-7908 DOI: https://doi.org/10.1136/bmjgh-2021-007533

Drakeley, Chris; Abdulla, Salim; Agnandji, Selidji Todagbe; Fernandes, José Francisco; Kremsner, Peter; Lell, Bertrand; Mewono, Ludovic; Bache, Bache Emmanuel; Mihayo, Michael Gabriel; Juma, Omar; +40 more... Tanner, Marcel; Tahita, Marc Christian; Tinto, Halidou; Diallo, Salou; Lompo, Palpouguini; D'Alessandro, Umberto; Ogutu, Bernhards; Otieno, Lucas; Otieno, Solomon; Otieno, Walter; Oyieko, Janet; Asante, Kwaku Poku; Dery, Dominic Bon-Ereme; Adjei, George; Adeniji, Elisha; Atibilla, Dorcas; Owusu-Agyei, Seth; Greenwood, Brian; Gesase, Samwel; Lusingu, John; Mahende, Coline; Mongi, Robert; Segeja, Method; Adjei, Samuel; Agbenyega, Tsiri; Agyekum, Alex; Ansong, Daniel; Bawa, John Tanko; Boateng, Harry Owusu; Dandalo, Léonard; Escamilla, Veronica; Hoffman, Irving; Maenje, Peter; Martinson, Francis; Carter, Terrell; Leboulleux, Didier; Kaslow, David C; Usuf, Effua; Pirçon, Jean-Yves; Bahmanyar, Edith Roset; (2017) Longitudinal estimation of Plasmodium falciparum prevalence in relation to malaria prevention measures in six sub-Saharan African countries. Malaria journal, 16 (1). 433-. ISSN 1475-2875 DOI: https://doi.org/10.1186/s12936-017-2078-3

Gambia Pneumococcal Surveillance Group; Mackenzie, Grant A; Hill, Philip C; Jeffries, David J; Ndiaye, Malick; Sahito, Shah M; Hossain, Ilias; Uchendu, Uchendu; Ameh, David; Adeyemi, Oyedeji; +40 more... Pathirana, Jayani; Olatunji, Yekini; Abatan, Baderinwa; Muhammad, Bilquees S; Ahameefula, Ebirim; Fombah, Augustin E; Adeshola, Banjo; Lobga, Babila G; Saha, Debasish; Mackenzie, Roslyn; Odutola, Aderonke; Plumb, Ian D; Akano, Aliu; Ebruke, Bernard E; Ideh, Readon C; Kuti, Bankole; Githua, Peter; Olutunde, Emmanuel; Ofordile, Ogochukwu; Green, Edward; Usuf, Effua; Badji, Henry; Ikumapayi, Usman Na; Manjang, Ahmed; Salaudeen, Rasheed; Nsekpong, E David; Jarju, Sheikh; Antonio, Martin; Sambou, Sana; Ceesay, Lamin; Lowe-Jallow, Yamundow; Fofana, Sidat; Jasseh, Momodou; Mulholland, Kim; Knoll, Maria; Levine, Orin S; Howie, Stephen R; Adegbola, Richard A; Greenwood, Brian M; Corrah, Tumani; (2021) Impact of the introduction of pneumococcal conjugate vaccination on invasive pneumococcal disease and pneumonia in The Gambia: 10 years of population-based surveillance. The Lancet. Infectious diseases, 21 (9). pp. 1293-1302. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(20)30880-X

Getanda, Pauline; Bojang, Abdoulie; Camara, Bully; Jagne-Cox, Isatou; Usuf, Effua; Howden, Benjamin P; D'Alessandro, Umberto; Bottomley, Christian; Roca, Anna; (2021) Short-term increase in the carriage of azithromycin-resistant Escherichia coli and Klebsiella pneumoniae in mothers and their newborns following intra-partum azithromycin: a post hoc analysis of a double-blind randomized trial. JAC-antimicrobial resistance, 3 (1). dlaa128-. ISSN 2632-1823 DOI: https://doi.org/10.1093/jacamr/dlaa128

Idoko, Olubukola T; Usuf, Effua; Okomo, Uduak; Wonodi, Chizoba; Jambo, Kondwani; Kampmann, Beate; Madhi, Shabir; Adetifa, Ifedayo; (2022) Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) in Africa: Current Considerations and Future Projections. Clinical Infectious Diseases, 75 (Suppl ). S136-S140. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciac401

Jackson, Heather R; Miglietta, Luca; Habgood-Coote, Dominic; D'Souza, Giselle; Shah, Priyen; Nichols, Samuel; Vito, Ortensia; Powell, Oliver; Davidson, Maisey Salina; Shimizu, Chisato; +42 more... Agyeman, Philipp KA; Beudeker, Coco R; Brengel-Pesce, Karen; Carrol, Enitan D; Carter, Michael J; De, Tisham; Eleftheriou, Irini; Emonts, Marieke; Epalza, Cristina; Georgiou, Pantelis; De Groot, Ronald; Fidler, Katy; Fink, Colin; van Keulen, Daniëlle; Kuijpers, Taco; Moll, Henriette; Papatheodorou, Irene; Paulus, Stephane; Pokorn, Marko; Pollard, Andrew J; Rivero-Calle, Irene; Rojo, Pablo; Secka, Fatou; Schlapbach, Luregn J; Tremoulet, Adriana H; Tsolia, Maria; Usuf, Effua; Van Der Flier, Michiel; Von Both, Ulrich; Vermont, Clementien; Yeung, Shunmay; Zavadska, Dace; Zenz, Werner; Coin, Lachlan JM; Cunnington, Aubrey; Burns, Jane C; Wright, Victoria; Martinon-Torres, Federico; Herberg, Jethro A; Rodriguez-Manzano, Jesus; Kaforou, Myrsini; Levin, Michael; (2023) Diagnosis of Multisystem Inflammatory Syndrome in Children by a Whole-Blood Transcriptional Signature. Journal of the Pediatric Infectious Diseases Society, 12 (6). pp. 322-331. ISSN 2048-7193 DOI: https://doi.org/10.1093/jpids/piad035

Jarju, Sheikh; Senghore, Elina; Brotherton, Helen; Affleck, Lucy; Saidykhan, Alasana; Jallow, Samba; Krubally, Ebrima; Sinjanka, Edrisa; Ndene, Morris Ngor; Bajo, Fabakary; +13 more... Sanyang, Musa M; Saidy, Binta; Bah, Alasana; Mohammed, Nuredin I; Forrest, Karen; Clarke, Ed; Dalessandro, Umberto; Sesay, Abdul K; Usuf, Effua; Cerami, Carla; Roca, Anna; Kampmann, Beate; de Silva, Thushan I; (2022) Circulation of respiratory viruses during the COVID-19 pandemic in The Gambia. Gates open research, 6. 148-. ISSN 2572-4754 DOI: https://doi.org/10.12688/gatesopenres.14155.3

Mackenzie, Grant A; Hill, Philip C; Jeffries, David J; Hossain, Ilias; Uchendu, Uchendu; Ameh, David; Ndiaye, Malick; Adeyemi, Oyedeji; Pathirana, Jayani; Olatunji, Yekini; +32 more... Abatan, Bade; Muhammad, Bilquees S; Fombah, Augustin E; Saha, Debasish; Plumb, Ian; Akano, Aliu; Ebruke, Bernard; Ideh, Readon C; Kuti, Bankole; Githua, Peter; Olutunde, Emmanuel; Ofordile, Ogochukwu; Green, Edward; Usuf, Effua; Badji, Henry; Ikumapayi, Usman NA; Manjang, Ahmad; Salaudeen, Rasheed; Nsekpong, E David; Jarju, Sheikh; Antonio, Martin; Sambou, Sana; Ceesay, Lamin; Lowe-Jallow, Yamundow; Jasseh, Momodou; Mulholland, Kim; Knoll, Maria; Levine, Orin S; Howie, Stephen R; Adegbola, Richard A; Greenwood, Brian M; Corrah, Tumani; (2016) Effect of the introduction of pneumococcal conjugate vaccination on invasive pneumococcal disease in The Gambia: a population-based surveillance study. The Lancet infectious diseases, 16 (6). pp. 703-711. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(16)00054-2

Mackenzie, Grant A; Hill, Philip C; Sahito, Shah M; Jeffries, David J; Hossain, Ilias; Bottomley, Christian; Uchendu, Uchendu; Ameh, David; Ndiaye, Malick; Osuorah, Chidebereh D; +38 more... Adeyemi, Oyedeji; Pathirana, Jayani; Olatunji, Yekini; Abatan, Bade; Ahameefula, Ebirim; Muhammad, Bilquees S; Fombah, Augustin E; Saha, Debasish; Mackenzie, Roslyn; Plumb, Ian; Akano, Aliu; Ebruke, Bernard; Ideh, Readon C; Kuti, Bankole; Githua, Peter; Olutunde, Emmanuel; Ofordile, Ogochukwu; Green, Edward; Usuf, Effua; Badji, Henry; Ikumapayi, Usman NA; Manjang, Ahmad; Salaudeen, Rasheed; Nsekpong, E David; Jarju, Sheikh; Antonio, Martin; Sambou, Sana; Ceesay, Lamin; Lowe-Jallow, Yamundow; Sowe, Dawda; Jasseh, Momodou; Mulholland, Kim; Knoll, Maria; Levine, Orin S; Howie, Stephen R; Adegbola, Richard A; Greenwood, Brian M; Corrah, Tumani; (2017) Impact of the introduction of pneumococcal conjugate vaccination on pneumonia in The Gambia: population-based surveillance and case-control studies. The Lancet infectious diseases, 17 (9). pp. 965-973. ISSN 1473-3099 DOI: https://doi.org/10.1016/S1473-3099(17)30321-3

Mackenzie, Grant A; Plumb, Ian D; Sambou, Sana; Saha, Debasish; Uchendu, Uchendu; Akinsola, Bolanle; Ikumapayi, Usman N; Baldeh, Ignatius; Usuf, Effua; Touray, Kebba; +9 more... Jasseh, Momodou; Howie, Stephen RC; Wattiaux, Andre; Lee, Ellen; Knoll, Maria Deloria; Levine, Orin S; Greenwood, Brian M; Adegbola, Richard A; Hill, Philip C; (2012) Monitoring the introduction of pneumococcal conjugate vaccines into West Africa: design and implementation of a population-based surveillance system. PLoS medicine, 9 (1). e1001161-. ISSN 1549-1277 DOI: https://doi.org/10.1371/journal.pmed.1001161

Martinez-Alvarez, Melisa; Jarde, Alexander; Usuf, Effua; Brotherton, Helen; Bittaye, Mustapha; Samateh, Ahmadou L; Antonio, Martin; Vives-Tomas, Joan; D'Alessandro, Umberto; Roca, Anna; (2020) COVID-19 pandemic in west Africa. Lancet Glob Health, 8 (5). e631-e632. ISSN 2214-109X DOI: https://doi.org/10.1016/S2214-109X(20)30123-6

Nijman, Ruud G; Oostenbrink, Rianne; Moll, Henriette A; Casals-Pascual, Climent; von Both, Ulrich; Cunnington, Aubrey; De, Tisham; Eleftheriou, Irini; Emonts, Marieke; Fink, Colin; +24 more... van der Flier, Michiel; de Groot, Ronald; Kaforou, Myrsini; Kohlmaier, Benno; Kuijpers, Taco W; Lim, Emma; Maconochie, Ian K; Paulus, Stephane; Martinon-Torres, Federico; Pokorn, Marko; Romaine, Sam T; Calle, Irene Rivero; Schlapbach, Luregn J; Smit, Frank J; Tsolia, Maria; Usuf, Effua; Wright, Victoria J; Yeung, Shunmay; Zavadska, Dace; Zenz, Werner; Levin, Michael; Herberg, Jethro A; Carrol, Enitan D; PERFORM consortium (Personalized Risk assessment in febrile chil; PERFORM consortium (Personalized Risk assessment in febrile chil; (2021) A Novel Framework for Phenotyping Children With Suspected or Confirmed Infection for Future Biomarker Studies. Frontiers in pediatrics, 9. 688272-. ISSN 2296-2360 DOI: https://doi.org/10.3389/fped.2021.688272

Pecenka, Clint; Usuf, Effua; Hossain, Ilias; Sambou, Sana; Vodicka, Elisabeth; Atherly, Deborah; Mackenzie, Grant; (2021) Pneumococcal conjugate vaccination in The Gambia: health impact, cost effectiveness and budget implications. BMJ GLOBAL HEALTH, 6 (12). e007211-e007211. ISSN 2059-7908 DOI: https://doi.org/10.1136/bmjgh-2021-007211

RTS,S Epidemiology EPI-MAL-005 Study Group The RTS,S Epidemiolog; Adeniji, Elisha; Asante, Kwaku Poku; Boahen, Owusu; Compaoré, Guillaume; Coulibaly, Boubacar; Kaali, Seyram; Kabore, Youssouf; Lamy, Mathieu; Lusingu, John; +19 more... Malabeja, Anangisye; Mens, Petra; Orsini, Mattéa; Otieno, Lucas; Otieno, Walter; Owusu-Agyei, Seth; Oyieko, Janet; Pirçon, Jean-Yves; Praet, Nicolas; Roman, François; Sie, Ali; Sing'oei, Valentine; Sirima, Sodiomon B; Sylla, Khadime; Tine, Roger; Tiono, Alfred B; Tivura, Mathilda; Usuf, Effua; Wéry, Stéphanie; (2020) Estimating Annual Fluctuations in Malaria Transmission Intensity and in the Use of Malaria Control Interventions in Five Sub-Saharan African Countries. The American journal of tropical medicine and hygiene, 103 (5). pp. 1883-1892. ISSN 0002-9637 DOI: https://doi.org/10.4269/ajtmh.19-0795

Renner, Lorna Awo; Usuf, Effua; Mohammed, Nuredin Ibrahim; Ansong, Daniel; Dankwah, Thomas; Kusah, Jonas Tettey; Owusu, Sandra Kwarteng; Awunyo, Marah; Arhin, Bernard; Addo, Yvonne; +10 more... Asamoah, John; Biey, Joseph Nsiari-Muzeyi; Ndow, Peter Slyvanus; Worwui, Archibald; Senghore, Madikay; Ntsama, Bernard; Mwenda, Jason M; Diamenu, Stanley K; Adams, Brenda Kwanbana; Antonio, Martin; (2019) Hospital-based Surveillance for Pediatric Bacterial Meningitis in the Era of the 13-Valent Pneumococcal Conjugate Vaccine in Ghana. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 69 (Suppl ). S89-S96. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciz464

Roca, Anna; Okomo, Uduak; Usuf, Effua; Oriero, Eniyou C; Janha, Ramatoulie; Achan, Jane; Cerami, Carla; MRC Unit The Gambia Women in Science Working Group; (2018) African women working in global health: closing the gender gap in Africa? The Lancet Global health, 6 (4). e369-. ISSN 2214-109X DOI: https://doi.org/10.1016/S2214-109X(18)30063-9

Sanneh, Bakary; Okoi, Catherine; Grey-Johnson, Mary; Bah-Camara, Haddy; Kunta Fofana, Baba; Baldeh, Ignatius; Papa Sey, Alhagie; Labbo Bah, Mahamadou; Cham, Mamadi; Samateh, Amadou; +7 more... Usuf, Effua; Ndow, Peter Sylvanus; Senghore, Madikay; Worwui, Archibald; Mwenda, Jason M; Kwambana-Adams, Brenda; Antonio, Martin; (2019) Declining Trends of Pneumococcal Meningitis in Gambian Children After the Introduction of Pneumococcal Conjugate Vaccines. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 69 (Suppl ). S126-S132. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciz505

Sanyang, Bakary; Kanteh, Abdoulie; Usuf, Effua; Nadjm, Behzad; Jarju, Sheikh; Bah, Alasana; Bojang, Abdoulie; Grey-Johnson, Mary; Jones, Joquina Chiquita; Gai, Abdou; +12 more... Sarr, Catherine; Sillah, Fatoumata; Wariri, Oghenebrume; Oko, Francis; Cerami, Carla; Forrest, Karen; Sey, Alhagie Papa; Jallow, Haruna; Nwakanma, Davis; Sesay, Abdul Karim; D'Alessandro, Umberto; Roca, Anna; (2021) COVID-19 reinfections in The Gambia by phylogenetically distinct SARS-CoV-2 variants-first two confirmed events in west Africa. The Lancet Global health, 9 (7). e905-e907. ISSN 2214-109X DOI: https://doi.org/10.1016/S2214-109X(21)00213-8

Usuf, E; Bojang, A; Camara, B; Jagne, I; Oluwalana, C; Bottomley, C; D'Alessandro, U; Roca, A; (2017) Maternal pneumococcal nasopharyngeal carriage and risk factors for neonatal carriage after the introduction of pneumococcal conjugate vaccines in The Gambia. Clinical microbiology and infection, 24 (4). pp. 389-395. ISSN 1198-743X DOI: https://doi.org/10.1016/j.cmi.2017.07.018

Usuf, E; Bojang, A; Hill, PC; Bottomley, C; Greenwood, B; Roca, A; (2015) Nasopharyngeal colonization of Gambian infants by Staphylococcus aureus and Streptococcus pneumoniae before the introduction of pneumococcal conjugate vaccines. New microbes and new infections, 10. pp. 13-18. ISSN 2052-2975 DOI: https://doi.org/10.1016/j.nmni.2015.12.002

Usuf, Effua; Bottomley, Christian; Adegbola, Richard A; Hall, Andrew; (2014) Pneumococcal carriage in sub-Saharan Africa--a systematic review. PloS one, 9 (1). e85001-. ISSN 1932-6203 DOI: https://doi.org/10.1371/journal.pone.0085001

Usuf, Effua; Bottomley, Christian; Bojang, Ebrima; Cox, Isatou; Bojang, Abdoulie; Gladstone, Rebecca; Kampmann, Beate; Hill, Philip C; Roca, Anna; (2018) Persistence of Nasopharyngeal Pneumococcal Vaccine Serotypes and Increase of Nonvaccine Serotypes Among Vaccinated Infants and Their Mothers 5 Years After Introduction of Pneumococcal Conjugate Vaccine 13 in The Gambia. Clinical infectious diseases, 68 (9). pp. 1512-1521. ISSN 1058-4838 DOI: https://doi.org/10.1093/cid/ciy726

Usuf, Effua; Bottomley, Christian; Gladstone, Rebecca; Bojang, Ebrima; Jawneh, Kaddijatou; Cox, Isatou; Jallow, Edrissa; Bojang, Abdoulie; Greenwood, Brian; Adegbola, Richard A; +3 more... Bentley, Stephen D; Hill, Philip C; Roca, Anna; (2020) Persistent and Emerging Pneumococcal Carriage Serotypes in a Rural Gambian Community After 10 Years of Pneumococcal Conjugate Vaccine Pressure. Clinical infectious diseases : an official publication of the Infectious Diseases Society of America, 73 (11). e3825-e3835. ISSN 1537-6591 DOI: https://doi.org/10.1093/cid/ciaa856

Usuf, Effua; Brotherton, Helen; Nadjm, Behzad; Mohammed, Nuredin; Gai, Abdou; Sillah, Fatoumata; Johnson, Mary Grey; Jones, Chiquita Joquina; Sarr, Catherine; Babatunde, Hakeem Edun; +13 more... Mohammad, Abul Khalie; Dibba, Bakary; Ndure, Ebrahim; Bojang, Lamin; Darboe, Saffiatou; Bah, Alasana; Bojang, Abdoulie; Forrest, Karen; Nwakanma, Davis; Roberts, Charles; Mustapha, Bittaye; D’Alessandro, Umberto; Roca, Anna; (2023) Prevention and treatment for COVID-19 associated severe pneumonia in the Gambia (PaTS-COVID-19), a single-blinded randomized clinical trial: study protocol. International Journal of Clinical Trials, 10 (1). pp. 26-33. ISSN 2349-3240 DOI: https://doi.org/10.18203/2349-3259.ijct20230048

Usuf, Effua; Mackenzie, Grant; Ceesay, Lamin; Sowe, Dawda; Kampmann, Beate; Roca, Anna; (2018) Vaccine wastage in The Gambia: a prospective observational study. BMC public health, 18 (1). 864-. ISSN 1471-2458 DOI: https://doi.org/10.1186/s12889-018-5762-5

Usuf, Effua; Roca, Anna; (2021) Seroprevalence surveys in sub-Saharan Africa: what do they tell us? The Lancet. Global health, 9 (6). e724-e725. ISSN 2214-109X DOI: https://doi.org/10.1016/S2214-109X(21)00092-9

Wariri, Oghenebrume; Okomo, Uduak; Cerami, Carla; Okoh, Emmanuel; Oko, Francis; Jah, Hawanatu; Bojang, Kalifa; Susso, Bubacarr; Olatunji, Yekini; Nkereuwem, Esin; +11 more... Akemokwe, Fatai Momodou; Jobe, Modou; Agboghoroma, Orighomisan Freda; Kebbeh, Bunja; Sowe, Ghata; Gilleh, Thomas; Jobe, Naffie; Usuf, Effua; Clarke, Ed; Brotherton, Helen; Forrest, Karen; (2021) Establishing and operating a 'virtual ward' system to provide care for patients with COVID-19 at home: experience from The Gambia. BMJ global health, 6 (6). e005883-e005883. ISSN 2059-7908 DOI: https://doi.org/10.1136/bmjgh-2021-005883

Zandstra, Judith; van de Geer, Annemarie; Tanck, Michael WT; van Stijn-Bringas Dimitriades, Diana; Aarts, Cathelijn EM; Dietz, Sanne M; van Bruggen, Robin; Schweintzger, Nina A; Zenz, Werner; Emonts, Marieke; +20 more... Zavadska, Dace; Pokorn, Marko; Usuf, Effua; Moll, Henriette A; Schlapbach, Luregn J; Carrol, Enitan D; Paulus, Stephane; Tsolia, Maria; Fink, Colin; Yeung, Shunmay; Shimizu, Chisato; Tremoulet, Adriana; Galassini, Rachel; Wright, Victoria J; Martinón-Torres, Federico; Herberg, Jethro; Burns, Jane; Levin, Michael; Kuijpers, Taco W; EUCLIDS Consortium, PERFORM Consortium and UK Kawasaki Disease G; (2020) Biomarkers for the Discrimination of Acute Kawasaki Disease From Infections in Childhood. FRONTIERS IN PEDIATRICS, 8. 355-. ISSN 2296-2360 DOI: https://doi.org/10.3389/fped.2020.00355