They say it is the ones administer between 1950 and 1963.
Quote:
Originally Posted by Emmsmom
I was wondering if it mattered what kind of vaccine was given.
My daughter is 10 and at the time only had 1 IPV vaccine. The rest were OPV. Now I think they are recommending that they all be OPV. SO I hope that helps with any potential problems down the road.
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