Testing and Monitoring

Test tube with bloodTesting is done with a simple blood test. The incubation period (time between exposure to the virus and the development of symptoms) varies between 15 and 50 days, with an average of 30 days. Hepatitis A virus is excreted for up to two weeks before the onset of symptoms. Therefore, people with hepatitis A should be considered infectious for a week after the onset of jaundice.