Occurrence of antibodies to type 2 herpes simplex virus in the sera of town population.

In order to obtain a more detailed knowledge of the ecology of genital herpesvirus in Czechoslovak geographic and socioeconomic conditions, a total of 1 246 sera of town population, collected by the method of random selection from persons of different age groups in the town of Ostrava were examined in microneutralization reaction for antibodies to type 2 and type 1 herpes simplex virus. Antibodies to HSV-1 were present even in the youngest age groups 0--4 and 5--9 and positive findings in the older age groups ranged from 52 to 82% while antibodies to type 2 herpesvirus were found for the first time at the age of 14 (in one case); in adult persons they occurred in 17--26%. The mentioned results correspond to the sexual manner of transmission of genital herpesvirus and are in keeping with published findings.