What is freeze-dried hepatitis A

summary

There are more and more people suffering from liver disease. Many people do not know enough about liver disease. During the physical examination of colleagues, they also found that they have hepatitis A. although there is no discomfort in the body, the virus has been hidden in the body and needs to be treated. It may be that they did not get the freeze-dried hepatitis A vaccine at that time, so they contracted this disease. Let's talk about freeze-dried hepatitis A.

What is freeze-dried hepatitis A

First: lyophilized live attenuated hepatitis A vaccine is a kind of medicine, which is mainly used to prevent diseases. There are more and more liver diseases, so prevention is very important. Its main efficacy is that the body can produce humoral immunity and cellular immunity after vaccination, which is used to prevent hepatitis A.

Second: the strain was made by inoculating human diploid cells (2BS) with attenuated strain of hepatitis A virus (L-A-1 strain) and then freeze-drying after culture and harvesting virus solution and adding appropriate protective agent.

Third: hepatitis A virus strain was inoculated into human diploid cells, cultured and harvested. Vaccination with the vaccine can stimulate the body to produce immunity against hepatitis A virus.

matters needing attention

After the injection of this vaccine, there is no general or local reaction. A small number of patients may have local pain, redness and swelling, which can be relieved within 72 hours. Occasional rash, generally normal performance, do not need special treatment, if necessary, symptomatic treatment, vaccination is very helpful for the prevention of disease.