DOES HEPATITIS A CONFER IMMUNITY? A REVIEW BY DOCTORS

Expert opinion from Marcelle Freire

Doctor of Medicine · 3 years of experience · Brazil

Hepatitis A is a disease caused by a virus that has a predilection for affecting the liver and that is transmitted by oral-fecal contamination (for example, with the ingestion of food handled with unsanitized hands). As a result, it is a quite common disease in children, more characteristic of developing countries. Eventually, it can occur unnoticed in children, often manifesting as a flu-like syndrome without exuberant symptoms in adults. Complications are not common, but when they do occur, they are more common in adults. The infection is usually self-limiting, and during this period of convalescence rest, hydration, and symptomatic treatment if pain or fever are required. The infection confers long-lasting immunity against hepatitis A, but currently, for those who have not yet developed the disease, there is a vaccine available that also protects with sustained immunity against the disease.

→ Learn more about hepatitis a: See the causes, symptoms, treatment options and more.

→ See more questions and expert answers related to hepatitis a.

Expert opinion from Paul Lee

Doctor of Medicine (MD) · 2 years of experience · Australia

Hepatitis A is an acute infection of the liver. It is usually a self-limiting process. However, the symptoms and progression of disease may cause significant adverse outcomes if left untreated. Vaccination is available for specific patient groups. Passive immunity does occur from pre-exposure

Expert opinion from Hiroyuki Ueda

Doctor of Medicine (MD) · 3 years of experience · Japan

Hepatitis A is an infectious disease caused by the hepatitis A virus and is transmitted by fecal-oral transmission, mainly in areas with poor sanitation. The disease causes transient acute hepatitis, but the patient acquires immunity when he is cured.

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Disclaimer: This is for information purpose only, and should not be considered as a substitute for medical expertise. These are opinions from an external panel of individual doctors, and not to be considered as opinion of Microsoft. Please seek professional help regarding any health conditions or concerns.

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