Leading vaccine producers in China 2020, based on number of doses sold
In 2020, Wuhan Institute of Biological Products, a subsidiary of the pharmaceutical giant Sinopharm, sold almost 65 million doses of vaccines in China. Several other Sinopharm subsidiaries as well as the Chinese Academy of Medical Science also produced a significant volume of vaccine doses. Most of the vaccines produced by these state-owned enterprises were Class I vaccines, which were mandatory and free vaccines subsidized by the government.