A trivalent oral polio vaccine (TOPV), initially used to curb the
widespread presence of Polio among children in India, is now on the verge of
facing a ban. Experts in this particular article contend that chances of
attaining a vaccine derived polio virus infection (VDPV) are significantly
higher with the use of TOPV (since targets all three stains of the polio virus)
as opposed to the bivalent vaccine (targets only two!) Oral polio vaccines
(OPV) contain a weakened version of the polio virus, and consumption of such a
vaccine activates an immune response in the body to develop antibodies to
polio, ultimately, ultimately stopping spread transmission of polio to others
within a certain community.
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