People wait to receive COVID-19 vaccine at a vaccination site in Gulou District of Nanjing, east China's Jiangsu Province, April 9, 2021. East China's Jiangsu Province has launched a mass vaccination campaign against COVID-19. (Xinhua/Li Bo)
East China's Jiangsu launches mass vaccination campaign against COVID-19
East China's Jiangsu Province has launched a mass vaccination campaign against COVID-19.
Xinhua丨
April 11, 2021
