[Viral hepatitis: preventable illnesses].

The availability of vaccines had made on Hepatitis A as well as Hepatitis B an avoidable illnesses. However, there is a lack of knowledge referring to the epidemiological situation. This might be due to the physician's as well as the patient's underestimation of the risk of a new infection but also insufficient knowledge about indication, management of vaccination, adverse events and cost effectiveness might. Vaccination against Hepatitis A and B produce a longlasting immunisation which is indicated in every age. A combined vaccination for both infectious diseases are effective and support the compliance. The role of the family physician is decisive in the management of a sufficient vaccination strategy.