Whole cell pertussis vaccine used to prevent infection can protect against?
Correct Answer: Both Bordetella pertussis & parapertussis
Description: c. Both Bordetella pertussis & parapertussis(Ref: Clin Infect Dis. 2017Jun 15;64(12):1795-1797)Pertussis vaccine may induce cross-immunity & has been found to have 66%-82% effectiveness against parapertussis.Controversial; Some sources say: As measles can depress cell mediated immunity & as BCG induces cell mediated immunity BCG should not be given along with measles or MMR; while some do not comment about it; So, there is not much recent evidence to substantiate the same.
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