Lot release volume of class I vaccines in China 2020, by type
In 2020, among the 350 million doses of class I vaccines released in China, almost 65 million were Hepatitis B vaccines. Over 50 million doses of Diphtheria and tetanus toxoid with acellular pertussis (DTaP) vaccines were also released, while less than 4 million doses of Tetanus Toxoid Adsorbed were released.