Sinovac Biotech Ltd., a biopharmaceutical company, focuses in the research, development, manufacture, and commercialization of vaccines against human infectious diseases in the People's Republic of China.

The company's product portfolio includes vaccines against hepatitis A and B; hand, foot, and mouth diseases caused by enterovirus 71 (EV71); seasonal influenza; H5N1 and H1N1 pandemic influenza; coronavirus; varicella; and mumps.

Its marketed products include Healive, an inactivated hepatitis A vaccine; Bilive, a combined inactivated hepatitis A and B vaccine; Anflu, a split viron influenza vaccine; Panflu, a vaccine against the H5N1 influenza virus; Panflu.1, a vaccine against the influenza A H1N1 virus; mumps vaccine to treat viral disease in human species; split viron pandemic influenza vaccine; and Inlive, an EV71 vaccine.

The company also offers varicella, a vaccine to treat contagious infectious disease; pneumococcal polysaccharide vaccine, a vaccine to prevent streptococcus pneumoniae infections, such as pneumonia and septicemia; quadrivalent influenza vaccine, a vaccine to protect against two influenza A viruses and two influenza B viruses; and CoronaVac, a vaccine against COVID-19.

In addition, its pipeline products include sabin inactivated polio vaccine, a vaccine to treat Poliomyelitis that has completed phase III clinical trial; and rubella vaccine.

The company has collaboration agreements with GlaxoSmithKline Biologicals SA to develop combination vaccines containing measles for the China market; Tianjin CanSino Biotechnology Inc. to develop a pneumococcal vaccine; and Instituto Butantan to advance the clinical trials of CoronaVac, an inactivated vaccine candidate against COVID-19 to Phase III.

Sinovac Biotech Ltd. was founded in 1993 and is headquartered in Beijing, the People's Republic of China.