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Causes

Hepatitis A is caused by the hepatitis A virus, which is spread in the poo of someone with the infection.

Most infections occur in parts of the world where sanitation and food hygiene standards are poor, although there's a small risk of becoming infected in the UK.

How hepatitis A is spread

You can get hepatitis A from:

Someone with hepatitis A is most infectious from around 2 weeks before they start to develop symptoms until about a week afterwards.

At-risk destinations

Hepatitis A is found worldwide, but areas where it's most widespread include:

To find out about the potential health risks in a specific country, see country information on the Travel Health Pro website.

People at risk of hepatitis A in the UK

Although the chances of getting hepatitis A in the UK are much smaller than in other parts of the world, certain groups have an increased risk.

These include:

People in these groups are usually advised to have the hepatitis A vaccine to minimise their risk of infection.