The company said that the varieties currently produced by the company are: freeze-dried live attenuated hepatitis A vaccine and adsorbed acellular DTP combined vaccine. There are four kinds of second-class vaccines: live attenuated varicella vaccine, freeze-dried human rabies vaccine (Vero cells), influenza virus split vaccine and ACYW 135 meningococcal polysaccharide vaccine. Clinical studies on herpes zoster vaccine and influenza virus split vaccine (tetravalent) are being carried out.