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 | |