Hepatitis B
Hepatitis B is a liver disease caused by hepatitis B virus (HBV). The hepatitis B virus was first identified hepatitis. It is a disease that affects 300 million people worldwide and is estimated to be responsible for between 250,000 and 500,000 deaths per year. The prevalence of infection with hepatitis B virus varies significantly in different parts of the world. The highest rates of infection found in Southeast Asia, China and South Africa.
Electronic Photography HBV viral particles (photograph reproduced with permission from CDC, Centers for Disease Control).
Most people who get hepatitis B recover without consequences. This form of infection, which lasts less than 6 months, known as acute hepatitis B. By contrast, when the infection lasts for more than 6 months, known as hepatitis B infection. About 5% of adults who acquire the infection develop the chronic form. The likelihood of developing chronic hepatitis B depends on the age and immune status (defense) of the subject.
The clinical manifestations of infection with hepatitis B are varied, and it is important to stress that this infection can often give no symptoms for many years which does not necessarily mean that the infection is controlled. The damage produced by hepatitis B virus in the liver is variable and depends on the repair capacity of the liver and the body’s ability to control the infection. The most important consequences of this infection in the long run are the development of liver cirrhosis and hepatocellular carcinoma.
In recent times there have been a number of new options for treating the disease. On the other hand, has a highly effective and safe vaccine to prevent infection.
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