Related Documents CDC list of recommended vaccinations for travelers over two years of age. Some common health problems associated with traveling and what you can do about them. Related Documents Childhood vaccine recommendations for the U.S. in the year 2000 bring several major changes, but few surprises. A brief overview on the immunization changes and recommendations for 2000 and beyond. Related Documents Persons with hepatitis A virus infection may not have any signs or symptoms of the disease.
Older persons are more likely to have symptoms than children.
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