Genital herpes in Singapore

As in many parts of the world, the incidence of genital herpes has increased in Singapore, the increase occurring sharply from 1982 onwards, and affecting females to a greater extent than males. Peak incidence in both sexes was found to occur in the 15-34 year age group. Changes in sexual practices, a decreasing prevalence of age-specific antibody to herpes simplex type 1 virus in sexually active adults, and greater interest in the disease following publicity in the media, are factors which have contributed to both a real and an apparent increase in incidence. However, the incidence in Malay males is very low, and neonatal herpes is extremely rare in the local population. Herpes simplex virus type 1 is responsible for about 30% of initial genital infections and an even higher proportion of primary genital herpes infections. Approximately 16% of purulent penile ulcers in Singapore are associated with genital herpes infection.