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High-risk countries In these regions almost every child comes into contact with the hepatitis A virus before the age of 10. In western countries no more than 50% of the population of more than 40 years has come into contact with it. |
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High-risk countries In these regions almost every child comes into contact with the hepatitis A virus before the age of 10. In western countries no more than 50% of the population of more than 40 years has come into contact with it. |
