Levine, OS; Bloom, DE; Cherian, T; de Quadros, C; Sow, S; Wecker, J; Duclos, P; Greenwood, B; (2011) New Decade of Vaccines 4 The future of immunisation policy, implementation, and financing. Lancet, 378 (9789). pp. 439-448. ISSN 0140-6736 DOI: https://doi.org/10.1016/S0140-6736(11)60406-6 Full text not available from this repository.

MacLennan, J; Obaro, S; Deeks, J; Lake, D; Elie, C; Carlone, G; Moxon, ER; Greenwood, B; (2001) Immunologic memory 5 years after meningococcal A/C conjugate vaccination in infancy. The Journal of infectious diseases, 183 (1). pp. 97-104. ISSN 0022-1899 https://researchonline.lshtm.ac.uk/id/eprint/17204 Full text not available from this repository.

de Waroux, OL; Schellenberg, JRA; Manzi, F; Mrisho, M; Shirima, K; Mshinda, H; Alonso, P; Tanner, M; Schellenberg, DM; (2013) Timeliness and completeness of vaccination and risk factors for low and late vaccine uptake in young children living in rural southern Tanzania. International health, 5 (2). pp. 139-147. ISSN 1876-3413 DOI: https://doi.org/10.1093/inthealth/iht006 Full text not available from this repository.