my baby is 1 &1/2 yrs old.he is only 8.5 kgs.is it a normal weight?& how can I increase his weight.& In this pandemic situation he can't take the vaccination.so what is the time limit for the vaccination?

A. no don't delay much more vaccine for the baby can be safely delayed for 1 - 2 months as the current pandemic situation is severe so can be taken after also . If possible don't delay the primary vaccine of baby that s till 1 year of age