Hepatitis B virus infection in patients attending a genitourinary medicine clinic: risk factors and vaccine coverage
Abstract
The hepatitis B virus (HBV) immunisation policy in the United Kingdom includes offering vaccines selectively to those at risk by sexual contact. Among genitourinary medicine (GUM) clinic attenders, homosexual men are offered vaccine, but estimates of the vaccine uptake are required to monitor policy and estimate the possible impact on transmission; heterosexuals are not routinely offered vaccine, but this policy might change if the prevalence was found to be high. To determine the prevalence of HBV infection and vaccine uptake among patients attending a GUM clinic. HBV seroprevalence determined by unlinked anonymous testing of consecutive blood samples sent for syphilis serology. Demographic and risk factor data and history of HBV immunization extracted from clinic notes before unlinking. Prevalence data were compared with a population of first time blood donors from the same area. Open access GUM clinic in central London. Samples were obtained and tested from 441 homosexual and 527 heterosexual men and from 821 women over a 4 month period in 1990. After exclusion of injecting drug users and their sexual partners (n = 30) and HBV carriers attending for follow up (n = 12), the prevalence of antibody to HBV core (anti-HBc) was 38...Continue Reading
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