IPV schedule: As long as at least 4 weeks had passed between the second and third polio doses, the last dose is valid. The fourth dose of IPV must be given on or AFTER the 4th birthday. Hope this helps.
Answered 11/28/2014
3.5k views
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your question