Why hepatitis C vaccine hard to come out?
RNA virus carrying a common DNA virus with a different genetic types. RNA viruses often mutate, which makes hepatitis C vaccine has become very difficult.
The liver is the body’s vital organs, DNA viruses and RNA viruses can cause hepatitis. Different hepatitis viruses cause different types of hepatitis, but may lead to severe hepatitis, liver cancer, mainly by the hepatitis C virus (RNA virus) and hepatitis B virus (DNA virus) cause. Hepatitis B virus and hepatitis C virus infection in the same patient simultaneously.
Reassuring is that, from 1980 to 1981, the first anti-hepatitis B vaccine has been approved for use. Since then, in the world, especially developing countries, the number of new infections of hepatitis B has fallen steadily. Unfortunately, mankind to rid itself of hepatitis plagued the day yet to come. Global authority hepatitis experts and scientists for many years committed to hepatitis C vaccine has so far remained empty-handed. Why is this?
Hepatitis C virus vaccine development bottleneck in the form of RNA viruses above. DNA viruses are usually relatively stable, and during replication through “spell checking” activities amendments to DNA replication errors. Therefore, any one DNA virus replication, are highly consistent with the original DNA. Therefore, people can be developed for the prevention of hepatitis B vaccine. Copying the RNA viruses, an error occurs during a “spell check.” Viral replication compared with DNA, and only a small number of RNA viruses have been completely correct to read and copy. RNA virus mutations faster than 1 million times faster DNA viruses, and RNA viruses are constantly changing shape, which makes RNA viruses such as hepatitis C vaccine is difficult to develop. Even if one day as the flu vaccine developed a kind of hepatitis C vaccine, each year, or according to variation of hepatitis C virus emerging constantly developing new vaccines.
HCV great harm to human health, how we can protect themselves from hepatitis C infection do? If we are infected with hepatitis C, we have saved? Influenza has plagued mankind for many years, people through vitamin, ensuring air circulation, Avoid contact with infected people to protect themselves and other ways to minimize the chances of infection. The best way to avoid suffering from hepatitis C as early as possible to understand the nature of RNA viruses, and its infection and spread of principle.
To determine whether HCV infection is the only way to make hepatitis C testing. Experts suggested that high-risk populations for hepatitis C, hepatitis C antibody test. The use of blood products or intravenous drug users, those who have multiple sexual partners, as well as frequent blood contact and health care workers, beauticians, police officers and so should accept the hepatitis C antibody test.