On Jun. 24, 2020, Sinovac Biotech announced the China National Medical Products Administration (NMPA) issued a product license for its quadrivalent Influenza vaccine (or QIV).

Sinovac expects its QIV to be available to the China market for the 2020-2021 influenza season. QIV contains two A strains and two B strains, recommended by the WHO, and the vaccine protects a target group of 3 years and older against the influenza disease.