Immunization of HIV-infected adults in the UK with Haemophilus influenzae b/meningococcal C glycoconjugate and pneumococcal polysaccharide vaccines gan MacLennan, C, Richter, A, Hodson, J, Faustini, S, Birtwistle, J, Whitelegg, A, Chigiga, J, Singo, M, Walker-Haywood, J, Mulugeta, B, Masuka, S, Mainey, C, Plant, T, Drayson, M, Manavi, K