Three year old babies can usually get the live attenuated varicella vaccine.
In general, after the baby is one year old can be vaccinated chickenpox live attenuated vaccine, the specific vaccination time is not certain, between 1 ~ 12 years old vaccination is possible. But we need to pay attention to the need to understand the physical condition before vaccination, if there is no previous chickenpox virus infection can be vaccinated with chickenpox vaccine, there is a certain effect. If you have had chickenpox before, you can’t get vaccinated.
Chickenpox vaccine belongs to the second class of vaccines, and is not a free vaccine prescribed by the state, you can choose whether to vaccinate according to the baby’s physical condition. After vaccination, you need to observe more, pay attention to rest, can not take a shower within 24 hours, if there is any abnormality, you need to consult a doctor in time.