Fig. 4
From: The landscape of vaccines in China: history, classification, supply, and price
Supply volumes of domestic and international Category 1 (EPI) and 2 (private sector) vaccines from 2007 to 2015. The fluctuation of supply of Category 1 vaccines was largely due to vaccination campaigns. The supply of H1N1 reached 70 million doses in 2010. The supply of HepB and MV increased by 83% and 202% in 2010 for supplementary immunization activities