Residents register before getting inoculated against the COVID-19 virus at a vaccination site in a stadium in Nanjing, capital of East China's Jiangsu province, Aug 2, 2021. The city of Nanjing has been organizing vaccinations from Aug 1 for those who are qualified to get the second shot in low-risk areas amid resurgence of COVID-19 infections. [Photo/Xinhua]
A medical worker introduces information on the inoculation against the COVID-19 virus at a vaccination site in a stadium in Nanjing, capital of East China's Jiangsu province, Aug 2, 2021. [Photo/Xinhua]
Residents get inoculated against the COVID-19 virus at a vaccination site in a stadium in Nanjing, capital of East China's Jiangsu province, Aug 2, 2021. [Photo/Xinhua]
A resident gets inoculated against the COVID-19 virus at a vaccination site in a stadium in Nanjing, capital of East China's Jiangsu province, Aug 2, 2021. [Photo/Xinhua]
A staff member collects medical waste for disinfection at a vaccination site in a stadium in Nanjing, capital of East China's Jiangsu province, Aug 2, 2021. [Photo/Xinhua]
Residents register before getting inoculated against the COVID-19 virus at a vaccination site in a stadium in Nanjing, capital of East China's Jiangsu province, Aug 2, 2021. [Photo/Xinhua]