People 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)
A man receives 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)
People queue 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)
People 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)
People register for 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)
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)
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)
People 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)
People 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)
People register for 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)
People 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)
People 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)
People 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)
People register for 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)
