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An outbreak of hepatitis B in men who have sex with men but identify as heterosexual
  1. Ananda Giri Shankar1,
  2. Sema Mandal2,
  3. Samreen Ijaz2
  1. 1 Health Protection Team, Public Health England, East of England, Thetford, UK
  2. 2 National Infection Service, Public Health England, London, UK
  1. Correspondence to Dr Ananda Giri Shankar, Health Protection Team, Public Health England, East of England, Thetford IP24 1JD, UK; giri.shankar{at}

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We investigated an unusual cluster of acute hepatitis B (HBV) infection among middle-aged men in East of England. Between January and August 2015, five cases of acute, symptomatic HBV cases were seen in men (median age 55 years: range 39–72), four of whom were white. All described themselves as married heterosexual men. Sequencing data showed four cases were genotype A2. Additional phylogenetic analysis showed that three were A2 …

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  • Twitter Follow Ananda Giri Shankar at @agmshankar

  • Contributors All authors have contributed equally to the preparation of this letter.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; internally peer reviewed.