Lymphocyte Subsets in HIV-Exposed Uninfected Infants: The Impact of Neonatal Postexposure Prophylaxis With Zidovudine

HIV-exposed, uninfected (HEU) infants receiving neonatal postexposure prophylaxis with zidovudine showed nonsignificant trends of lower CD4 and CD8 T cells as well as CD19 B cells than those who did not, suggesting toxicity that might impact the overall health of HEU children.