Q. Anti-tetanus injection has preformed antibodies, whereas polio drops contain
NTA AbhyasNTA Abhyas 2020
Solution:
Oral polio vaccine(OPV)
OPV consists of a mixture of live attenuated pathogens strains of each of the three serotypes, selected by their ability to mimic the immune response following infection with wild polioviruses, but with a significantly reduced incidence of spreading to the central nervous system.
OPV consists of a mixture of live attenuated pathogens strains of each of the three serotypes, selected by their ability to mimic the immune response following infection with wild polioviruses, but with a significantly reduced incidence of spreading to the central nervous system.