

MCQOPTIONS
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1. |
The nature of the poliovirus gives for oral vaccination (satin vaccine) as part of the eradication programme is |
A. | heat killed virus |
B. | live attenuated strains of all three immunological types |
C. | small dosage of wild-type live viruses |
D. | formalin-inactivated viruses |
Answer» C. small dosage of wild-type live viruses | |