The full name of measles vaccine is freeze-dried live attenuated measles vaccine, which is used to prevent measles diseases. Those who are allergic to measles vaccine or ingredients such as measles vaccine cannot be vaccinated against measles. Hepatitis B vaccine is a kind of vaccine to prevent hepatitis B. After inoculation, it can stimulate the immune system to produce protective antibodies in human body fluids. BCG is a vaccine to prevent tuberculosis, which is usually inoculated within 24 hours after birth.
Vaccination funds are borne by the government, and some provinces, autonomous regions and municipalities directly under the central government have increased the epidemic encephalitis and Japanese encephalitis vaccines again. For other vaccines, local health and epidemic prevention agencies regularly determine whether to vaccinate a key protected population or recommend it to the public according to the characteristics of disease occurrence and epidemic, and the expenses are generally borne by themselves.