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J Infect Dis 2007 Aug 1;196(3):347-55

Immunogenicity of Standard-Titer Measles Vaccinein HIV-1-Infected and Uninfected Zambian Children: An Observational Study.

Moss WJ, Scott S, Mugala N, Ndhlovu Z, Beeler JA, Audet SA, Ngala M, Mwangala S, Nkonga-Mwangilwa C, Ryon JJ, Monze M, Kasolo F, Quinn TC, Cousens S, Griffin DE, Cutts FT

Moss WJ (reprint author), Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Dept Epidemiol, 615 N Wolfe St, Baltimore, MD 21205 USA Johns Hopkins Univ, Bloomberg Sch Publ Hlth, Dept Epidemiol, Baltimore, MD 21205 USA Johns Hopkins Univ, W Harry Feinstone Dept Mol Microbiol & Immunol, Baltimore, MD 21205 USA Johns Hopkins Univ, Sch Med, Div Infect Dis, Baltimore, MD 21205 USA NIH, Bethesda, MD 20892 USA US FDA, Rockville, MD 20857 USA London Sch Hyg & Trop Med, London WC1, England Univ Teaching Hosp, Virol Lab, Lusaka, Zambia


Background. Achieving the level of population immunity required for measles elimination may be difficult in regions of high human immunodeficiency virus type 1 (HIV-1) prevalence, because HIV-1-infected children may be less likely to respond to or maintain protective antibody levels after vaccination.Methods. We conducted a prospective study of the immunogenicity of standard-titer measles vaccine administered at 9 months of age to HIV-1-infected and uninfected children in Lusaka, Zambia.Results. From May 2000 to November 2002, 696 children aged 2-8 months were enrolled. Within 6 months of vaccination, 88% of 50 HIV-1-infected children developed antibody levels of >/=120 mIU/mL, compared with 94% of 98 HIV-seronegative children and 94% of 211 HIV-seropositive but uninfected children (P=.3). By 27 months after vaccination, however, only half of the 18 HIV-1-infected children who survived and returned for follow-up maintained measles antibody levels >/=120 mIU/mL, compared with 89% of 71 uninfected children (P=.001) and in contrast with 92% of 12 HIV-1-infected children revaccinated during a supplemental measles immunization activity.Conclusions. Although HIV-1-infected children showed good primary antibody responses to measles vaccine, their rapid waning of antibody suggests that measles vaccination campaigns may need to be repeated more frequently in areas of high HIV-1 prevalence.

Category: Journal Article
PubMed ID: #17597448
Includes FDA Authors from Scientific Area(s): Biologics
Entry Created: 2011-10-04 Entry Last Modified: 2012-08-29