An unpleasant virus which can cause fever, malaise, nausea, abdominal pain, jaundice and even in rare cases liver failure. Travellers across most of the world should beware of this virus lurking in contaminated food and water.
A nasty bug which infects the liver and is passed on through bodily fluids. Most people do not experience any symptoms. However, look out for flu-like symptoms, loss of appetite, nausea, diarrhoea, stomach pain and yellow skin and eyes.
Horrible bugs guilty of causing diarrhoea, vomiting and in some cases severe dehydration in people travelling to areas of high or intermediate risk, including Asia, the Middle East, Africa, Mexico, and South and Central America.
This horrible bug usually attacks the lungs, causing a cough that lasts a long time, weight loss, fever, night sweats, and chest pains.
Potentially fatal bacteria guilty of causing a fever, stomach pain, headaches and constipation or diarrhoea. Travellers in areas without good sanitation or clean water should watch out for contaminated food and water.