PT - JOURNAL ARTICLE AU - Ming Jie Lee AU - Sam Douthwaite AU - Ranjababu Kulasegaram TI - Acute hepatitis A infection after hepatitis A immunity in a HIV-positive individual AID - 10.1136/sextrans-2017-053246 DP - 2017 Aug 31 TA - Sexually Transmitted Infections PG - sextrans-2017-053246 4099 - http://sti.bmj.com/content/early/2017/08/31/sextrans-2017-053246.short 4100 - http://sti.bmj.com/content/early/2017/08/31/sextrans-2017-053246.full AB - Hepatitis A is a self-limiting infection caused by the hepatitis A virus (HAV), transmitted predominantly by the faecal–oral route including some sexual practices. Outbreaks are commonly reported in the men who have sex with men (population. Previous exposure is thought to provide life-long immunity against subsequent infections with the development of an HAV IgG response. This paper reports a case of acute Hepatitis A infection, despite evidence of a previously positive Hepatitis A IgG results in an HIV-positive individual.