In contrast, just a small portion of people infected with hepatitis B, which also causes hepatitis, go on to become chronic carriers.

Most infected babies become chronic carriers who face a high risk of serious liver disease as adults.

About a third of the world population has been infected at one point in their lives, including 350 million who are chronic carriers.

Once a person is infected they may recover naturally or they may become a chronic carrier of the virus.

Globally, there are about 350 million chronic carriers of hepatitis B.

This includes 350 million chronic carriers of the virus.

Therefore, many children worldwide remain unvaccinated and many adults may be chronic carriers.

Most people recover completely, but some people might be chronic carriers of the virus, which could lead eventually to cirrhosis or liver cancer.

Some of them become chronic carriers.

In the United Kingdom at least 200,000 adults are chronic carriers.