Polio Eradication Officer Question: Download Questions PDF
How many doses of OPV does a child need before they are protected?
Answer:
OPV needs to be administered multiple times to be fully effective. The number of doses it takes to immunize a child depends entirely on the child's health and nutritional status, and how many other viruses that child has been exposed to. Until a child is fully immunized THEY ARE STILL AT RISK FROM POLIO. This just emphasizes the need for all children to be immunized during every round of national immunization days. Every missed child is a place for the polio virus to hide.
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