? Hepatitis B virus TEM micrograph showing hepatitis B virions. Virus classification Group: Group VII (dsDNA-RT) Family: Hepadnaviridae Genus: Orthohepadnavirus Species: Hepatitis B virus This article is about the hepatitis B virus. For the hydrology transport model see HBV hydrology model. Originally known as serum hepatitis, hepatitis B has only been recognized as such since World War II, and has caused current epidemics in parts of Asia and Africa.[1] Hepatitis ...
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Signs and symptoms
... Most infants and children with hepatitis B never develop signs and symptoms. The same is true for many adults. Signs and symptoms usually appear four to six weeks after you''re infected and can range ...
Source: MayoClinic

... Your liver is located on the right side of your abdomen, just beneath your lower ribs. It performs more than 500 functions, including processing most of the nutrients absorbed from your intestines, re...
Source: MayoClinic

Risk factors
... Anyone of any age, race, nationality, sex or sexual orientation can be infected with HBV. But you''re at greatest risk if you: Have unprotected sex with more than one partner. You''re at risk whether ...
Source: MayoClinic

When to seek medical advice
... Seek medical care if you have signs or symptoms of hepatitis B or are at risk of the disease and haven''t been vaccinated or don''t know if you''re protected. Most children in the United States now re...
Source: MayoClinic

Screening and diagnosis
... If you''re pregnant, it''s important to be checked for HBV early in your pregnancy. Also, get tested if you have unprotected sex with more than one partner, share needles when injecting drugs or have ...
Source: MayoClinic