An impending crisis looms over India’s supply of injectable poliomyelitis vaccine (IPV) as French drugmaker Sanofi has shut down its manufacturing plants in the country, halting production of its IPV brand ShanIPV in December 2023. Sanofi’s closure has raised concerns about disruptions in India’s polio eradication efforts, as it catered to over 80% of the country’s IPV dose requirements.
