Vaccination can be postponed, but usually not earlier. It will affect the effect of the vaccine in advance and violate the operating specifications; but it is not impossible for baby to postpone vaccination due to illness or various reasons. Delaying vaccination will not affect the effect of the vaccine, but it will affect the timeliness of the effect, so it should be as timely as possible Vaccination.
It is not suitable for infants to be vaccinated at all times, because every vaccine has its target. It cannot be vaccinated at any time and under any circumstances, such as infants who are sick or in recovery period. Those who have been injected with gamma globulin in the past month are not suitable, so the vaccination can be postponed in any of the above situations.