Volunteer for NIAID-funded clinical studies related to hepatitis on ClinicalTrials.gov.
Read about the story of the hepatitis E vaccine.
People become infected with hepatitis A when they orally ingest the fecal matter—even just microscopic traces—of infected individuals. This usually happens in one of two ways:
Hepatitis A is common in certain areas of the world where there is poor sanitation. Several outbreaks in the United States and elsewhere have also been associated with injecting and non-injecting drug use.
Last Updated October 01, 2009