Wallis Lake (New South Wales) – Hepatitis

There are about 300-500 cases of Hepatitis A and 10-30 cases of Hepatitis E recorded in Australia each year. There is little information on the occurrence of Hepatitis A or E in Australian drinking water supplies. There have been outbreaks of Hepatitis A in Australia. In 1997, 422 illnesses were caused through consumption of oysters grown in contaminated water at Wallis Lake (Kardamanidis et al 2009)”. (Fact Sheet Hepatitus Viruses ADWG 2011). Wallis
Lake is located on the NSW Central Coast.