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Concept
OPV
OPV, or
Oral Polio Vaccine
, is a
live attenuated vaccine
used to immunize against poliovirus and is administered orally, making it easy to distribute in
mass immunization campaigns
. It has played a crucial role in the
global effort to eradicate polio
, although its use carries a small risk of
vaccine-derived poliovirus outbreaks
in areas with low
immunization coverage
.
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