Gastroenteritis or traveller’s diarrhoea is an infection of the intestine most commonly involving bacteria. Causes include enterotoxigenic Escherichia coli, Salmonella, Shigella and Campylobacter. It can also be due to viruses such as norovirus and parasites like Giardia. Gastroenteritis is the single most common infection afflicting travellers from Australia.
Read more about gastroenteritis here.