my son is 3 year 2 months old and his flu vaccine is pending this year is it Complusry to do this or shall we leave, also till date his all vaccination is done on time. please suggest

A. You can get the vaccination done any time as per your comfort there is no problem in that case and you can proceed with it whenever it is suitable for you because it is an optional vaccination so you can get it done any time as per your comfort