When should a newborn receive their second vaccination?

Oct 13, 2022 Source: Cainiu Health
Dr. Xie Zixing
Introduction
When newborns are born full-term, with normal weight, height, and head circumference, they usually receive their second vaccine dose one month after birth, provided they are in good health and have no other symptoms or discomfort. However, if the baby is premature or suffers from other serious illnesses, vaccination should be postponed until the condition has recovered or the baby's weight reaches the normal range, to prevent potential complications.

If a newborn does not have symptoms such as nasal congestion from a cold or other discomfort, the second vaccination is generally administered one month after birth.

For full-term newborns whose weight, height, and head circumference are within normal ranges at birth, hepatitis B vaccination usually begins 24 hours after birth. The second dose of the hepatitis B vaccine is given one month later, provided the baby is in good health and shows no signs of illness. The third dose is then administered at six months of age. After that, additional vaccines are given according to the national immunization schedule based on the child's age to prevent various diseases. However, if the newborn is premature or suffers from serious medical conditions, vaccination should generally be delayed until the infant recovers from the illness or reaches a normal weight range to avoid potential adverse reactions following vaccination.

After receiving vaccinations, newborns typically need to be observed for about half an hour; they may leave only if no abnormal reactions occur during this observation period.

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