Staff members of local disease control and prevention center transfer COVID-19 vaccines onto a delivery vehicle in Baohe District of Hefei, capital of east China's Anhui Province, May 16, 2021. The disease control and prevention center in Baohe District on Sunday delivered 56,000 COVID-19 vaccines to different vaccination sites, meeting people's need to get vaccinated after new locally transmitted cases emerged there recently. (Xinhua/Zhang Duan)
