Hepatitis A Vaccine

Products Hepatitis A vaccine is commercially available as an injection suspension (Havrix). It has been licensed in many countries since 1993. A fixed combination with hepatitis B vaccine is also available (Twinrix). Structure and properties Hepatitis A vaccine is either hepatitis A virus inactivated with formaldehyde or a liposomal preparation of hepatitis A virus antigen. … Hepatitis A Vaccine

Vaccines

Products Vaccines are mainly sold as injectables. Some are also taken perorally as oral vaccines, for example, in the form of capsules (typhoid vaccine) or as a suspension for oral administration (rotavirus). Monopreparations and combination preparations are commercially available. Vaccines, with few exceptions, are stored in a refrigerator at a temperature of 2 to 8 … Vaccines