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Herpesvirus hominis antibodies among children and young adults in Ibadan.

A total of 422 sera collected from children and young adults living in Ibadan, Nigeria, has been examined for the presence of antibodies to type 1 and type 2 herpesvirus hominis. Type 1 antibodies were rapidly acquired from the age of 1 year onwards, reflecting the relatively poor living standards and the overcrowded accommodation among the population studied. Type 2 antibodies were acquired between the ages of 3 and 5 years. It is suggested that non-venereal spread of the virus must be responsible; prolonged survival of the virus on fomites, owing to the high environmental humidity, possibly accounts for this.