The New Crown booster is not recommended for people under 18 years of age. New Crown booster vaccination is mainly for people over 18 years of age who have already completed 2-3 doses of inactivated vaccine in accordance with the vaccination program, and then choose the vaccine booster vaccination again, which can effectively increase the concentration of antibodies in the body, so as to maintain the long-term preventive effect against pathogens. The vaccination of the new crown booster vaccine requires strict screening of the vaccination population according to the indications and applicable population groups, and cannot be changed without authorization. people under 18 years of age may not have a well-developed immune system and there is no sufficient clinical evidence on the possibility of receiving booster vaccination for this population group, so it is not possible to receive the vaccination for the time being. Therefore, in order to protect the health of the body and reduce the incidence of adverse reactions to vaccines, it is generally not recommended that people under 18 years of age receive a booster shot of Xinguan. people under 18 years of age should consult their doctors for advice on all types of vaccinations.