Biopolio

Biopolio is a **polio vaccine** developed and manufactured by Bharat Biotech for prevention of poliomyelitis caused by poliovirus. The name refers to more than one product formulation: an **inactivated trivalent poliovirus vaccine** containing Salk poliovirus types 1, 2, and 3 grown in Vero cell culture, and an **oral live-attenuated formulation** marketed as Biopolio B1/3 containing attenuated poliovirus types 1 and 3. As a vaccine, its mechanism is induction of protective humoral immunity against poliovirus antigens, thereby preventing infection-related paralysis and disease. It is used for primary immunization and booster vaccination in infants, children, and adults, and the product received WHO prequalification in March 2015.

Brand names

BiopolioBiopolio B1/3

Other names

inactivated polio vaccineoral polio vaccine