In Bangui (Central African Republic) where HIV1 prevalence was 7.8% in 1987, 61 cases of herpes zoster have been studied: 17 “during” AIDS and 44 “isolated” cases. During AIDS, herpes zoster has no prognosis value. When it seems to be “isolated”, herpes zoster is closely linked to HIV1: 42 seropositives out of 44 (predictive value of 95%) and it announces the outbreak of AIDS in the 2 years to come.
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