Children and young people suffering from hepatitis A

Normal hepatitis A virus infection, in addition to a series of signs and symptoms, the body will also have anti - hepatitis A virus antibodies, such antibodies can persist for many years, is to acquire a more lasting immunity, all in a considerable level of normal antibodies to hepatitis A virus the invasion alone resistance. China is the high incidence of hepatitis A, hepatitis A infection rates high. According to epidemiological survey, over 30 years of age in the normal population, can be found in the anti - hepatitis A virus antibodies were close to 90%, that is to say people over the age of 30 have almost the immunity, but not so easy with hepatitis A further. While the majority under the age of 15 in children and adolescents because no anti - hepatitis A virus antibodies, thus no immunity to hepatitis A virus and become easily infected susceptible population, in a hepatitis A epidemic, the age group of normal people vulnerable to infection and pathogenesis. Hepatitis A vaccine should be injected to stimulate have HAV IgG-antibody for the prevention of hepatitis A occurred.