my daughter is 2.8 years old.her pcv booster at 15months and typhoid at 2 year is pending as some say that if typhoid shot is done on 10 months then 2 year shot is not required.also pcv booster is not mandatory and qs now she is 2.3 years it is not necessary.is rhat true??what should i do?? till how many years pcv booster is applicable if not given in 15 th month.also 2yr shot of typhoid is mandatory if 10th month shot is given??