Viral Hepatitis A

Hepatitis A is a viral disease that affects the liver and is caused by the hepatitis A virus (HAV). It is transmitted by the fecal-oral route, most commonly through contaminated food, water, or poor hand hygiene. The source of infection is an infected person who excretes the virus in their stool.

The disease occurs worldwide, including in developed countries. The risk tends to be higher in areas with lower hygiene standards, but outbreaks also occur in Europe, including the Czech Republic.

The incubation period is usually 2–6 weeks. Typical symptoms include fatigue, loss of appetite, abdominal pain, nausea, fever, dark urine, and yellowing of the skin or the whites of the eyes. In children, the infection may be asymptomatic.

There is no specific treatment; therapy is primarily supportive and focuses on rest. Most patients recover without any lasting effects, and the disease does not become chronic.

The most effective prevention is vaccination and following hygiene guidelines.