The switch from trivalent to bivalent oral poliovirus vaccine: Will it lead to polio?
In four months, 155 countries will together switch from using trivalent to bivalent oral poliovirus vaccine. Will this change lead to more cases of poliomyelitis? There are three serotypes of poliovirus, each of which can cause paralytic poliomyelitis. The Sabin oral poliovirus vaccine (OPV), which has been used globally by WHO in the eradication effort, is …
The switch from trivalent to bivalent oral poliovirus vaccine: Will it lead to polio? Read More »