Impaired antibody memory to varicella zoster virus in HIV‐infected children: low antibody levels and avidity^*

HIV-infected children have impaired antibody responses after exposure to certain antigens. Our aim was to determine whether HIV-infected children had lower varicella zoster virus (VZV) antibody levels compared with HIV-infected adults or healthy children and, if so, whether this was attributable to an impaired primary response, accelerated antibody loss, or failure to reactivate the memory VZV response.In a prospective, cross-sectional and...