Which of the following is the most widely used vaccine for the prevention of poliomyelitis?
Which of the following is the most widely used vaccine for the prevention of poliomyelitis? Correct Answer OPV
OPV is the most widely used vaccine for the prevention of poliomyelitis. It induces intestinal immunity due to the production of secretory IgA. This is important for the inhibition of virus replication in the gut.