Hepatitis A is not immune _'s general knowledge all the life

Hepatitis A is not immune _'s general knowledge all the life
In 2- 3 weeks after infected with first type hepatitis, 80% of the patients will produce the hepatitis A antibody in the body naturally ' resist - HA) ,The antibody peaks in 2- 3 months after being ill. The hepatitis A antibody can resist the damage to the human body of hepatitis A and virus. This kind of immunity can generally maintain longer time. Greenland had happened together in 1943 hepatitis A prevailed big. Between 1974, here recur this when the prevailing disease 1970 after 20 more than year, medical experts find in the serological investigation, in the persons who were born before 1943, have 93% people resist and HA positive, hepatitis A its morbidity 2.7% only; In the persons who were born after 1943, only 3% people had immunity to hepatitis A, its morbidity of hepatitis A was up to 21.4%. Though can obtain more lasting immunity after suffering from hepatitis A, this kind of immunity is not " lifelong system " ,Will receive the individual factor (body constitution, disease, labour intensity) Influence with the environmental factor. Increase with age, the physique drops, immunity to hepatitis A is thereupon decline too. If this kind of immunity is unable to resist disposable a large amount of hepatitis A and virus, people may still suffer from hepatitis A again. Adopt a casual attitude if because of suffering from hepatitis A at this moment or not treat in time, may increase virus to the intersection of liver and extent of damage of function, some change chronic hepatitis or liver cirrhosis disease into even.
|