Hepatitis A : general information

Hepatitis A is a highly contagious liver infection caused by the Hepatitis A virus. It can range in severity from a mild illness lasting a few weeks to a severe illness lasting several months.Updated 2015Publication No. 21-1072What is hepatitis? -- What is hepatitis A? -- Who is at risk? -- How common is Hepatitis A? -- How is Hepatitis A spread? -- What are the symptoms of Hepatitis A? -- How is Hepatitis A diagnosed and treated? -- How serious is Hepatitis A? -- Can Hepatitis A be prevented? -- Who should get vaccinated against Hepatitis A? -- For more information