The countries that have cVDPV outbreaks (as shown on the previous screen) are still using OPV to vaccinate their populations.

 

Why is OPV still being used in these countries?

 

A. OPV is much less expensive to administer.
B. OPV prevents intestinal infection with PV; IPV does not.
C. OPV has fewer immediate vaccine reactions.
D. OPV can spread to individuals who were missed in the vaccination program and thereby immunize them also.

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