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What is Trivalent oral polio vaccine contains, type 3 virus- and explain in detail?
.oral polio vaccine contains live attenuated virus(type1,2,3) grown in monkey kidney cell cuture or human diploid cell culture.its given as a trivalent vaccine containing *300000 TCID 50 of type 1, *100000 TCID 50 of type 2 *300000 TCID 50 of type 3 virus per dose. ref:park&;s textbook,22 nd ed,pg 187