According to National Immunisation Schedule, OPV (oral polio vaccine) contains how many types of Poliovirus? A. Type 1 B. Type 2 C. Type 3 D. Type 4
According to the National Immunisation Schedule, OPV (oral polio vaccine) contains how many types of Poliovirus? A. Type 1 B. Type 2 C. Type 3 D. Type 4
Match the LIST-I with LIST-II