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Hepatitis A in Hawaii (Update)

25 July 2016

The Hawaii Department of Health (HDOH) is continuing to investigate a cluster of hepatitis A infections on Oahu.

As of the 20 July 2016 HDOH have confirmed 74 cases, 26 of which have required hospitalisation. All of the cases are resident in Oahu, with the exception of two cases that live on the islands of Hawaii and Maui but were on Oahu during their exposure period.

Advice for Travellers

Hepatitis A is spread through contaminated water and food or person to person via the faecal-oral. Most travellers to the USA will be at very low risk of disease.

Travellers to Oahu should be made aware of current outbreak and advised to avoid consumption of potentially contaminated drinks and drinking water and to ensure food is uncontaminated or cooked thoroughly. Personal hygiene when eating and drinking is also important including hand washing prior to eating and using clean plates, cups and utensils.

Hepatitis A is a vaccine preventable disease, however, it vaccination is only selectively advised for travellers going to the USA that are considered to be at highest risk:

  • Those at occupational risk of disease (e.g. laboratory workers, staff in residential institutions, sewage workers).
  • Men who have sex with men.
  • Intravenous drug users.
  • Those with chronic liver disease.
  • Those with haemophilia.