Sinovac Biotech Ltd. is a biopharmaceutical firm primarily dedicated to the discovery, research, manufacturing, and sales of vaccines aimed at combating infectious human diseases across the People's Republic of China. Its extensive product range encompasses immunizations against Hepatitis A and B; hand, foot, and mouth disease caused by Enterovirus 71 (EV71); seasonal influenza; H5N1 and H1N1 pandemic influenza strains; coronavirus; varicella (chickenpox); and mumps. Among its commercially available vaccines are Healive, an inactivated Hepatitis A vaccine; Bilive, offering combined inactivated protection for Hepatitis A and B; Anflu, a split-virion influenza vaccine; Panflu, targeting the H5N1 influenza virus; Panflu.1, for the influenza A H1N1 virus; a mumps vaccine; another split-virion pandemic influenza vaccine; and Inlive, an EV71 vaccine.