In govt vaccination schedule the schedule for Opv vaccine schedule is shown as: Opvo- within 24 hrs after birth OPV 1- one and half months OPV 2- two and half months OPV 3- three and half months OPV booster - between 16 and 24 months But in private hospital schedule,OPV vaccine schedule is shown as: OPVo- within 24hrs after birth OPV 1- 6months OPV 2- 9 months OPV 3- four and half months to 5 years no booster shown. But PCV vaccine schedule in private is same as Opv in govt schedule. can anyone explanin this?