1. Birth dose of OPV is a must.
2. Ideally IPV should replace OPV as early as possible.
3. Minimum age of administration of IPV is 6 weeks with the best option being 3 doses of IM IPV in 6-10-14 weeks schedule.
4. bOPV should be continued in place of IPV, only if IPV is not feasible, with a minimum of 3 doses at 6,10,14 weeks of age.
Extra doses of Oral Polio(pulse Polio) on all Supplementary immunization activities should continue, irrespective of primary vaccination with OPV or IPV.
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