The liver fights infections and stops bleeding. It removes drugs and other poisons from your blood. The liver also stores energy for when you need it. Hepatitis A is caused by a virus. A virus is a germ that causes sickness.
People can pass viruses to each other.
The virus that causes hepatitis A is called the hepatitis A virus. Hepatitis A spreads by touching stool from a bowel movement. Eating food made by someone who touched infected stool. Having anal sex with an infected person. You might be able to get hepatitis A by kissing an infected person.