Varicella vaccination time of different domestic manufacturers or regional immunization procedures vary, the vaccine manual recommended general 1~12 years old children basic immunization 1 injection.
Single varicella vaccine is mainly live attenuated varicella vaccine, mainly for more than 12 months of age of varicella susceptible, vaccine instructions recommend general 1 ~ 12 years old children basic immunization with 1 injection.
However, some of the domestic chickenpox vaccine into the free vaccination of the region recommended vaccination 2 shots, respectively, in 1 year old and 4 ~ 6 years (or interval of 4 ~ 8 weeks) vaccination of the second shot. 13 years old and above the two shots, the interval of 4 ~ 8 weeks.
Before vaccination, it should be clear whether there are contraindications to vaccination (such as allergies, uncontrolled epilepsy, immunodeficiency, etc.), and those without contraindications can be vaccinated normally.