A medical worker scans the codes of COVID-19 vaccines before storing them at a community vaccination site 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)
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)
A staff member (L) of local disease control and prevention center confirms the destination before delivering COVID-19 vaccines 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)
Medical workers prepare to store COVID-19 vaccines at a community vaccination site 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)
A medical worker puts COVID-19 vaccines into a storing box at a community vaccination site 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)
A staff member of disease control and prevention center confirms the destination before delivering COVID-19 vaccines 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)
A citizen receives COVID-19 vaccine at a community vaccination site 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)
A citizen receives a dose of COVID-19 vaccine at a vaccination site in Hefei, east China's Anhui Province, May 17, 2021. To meet citizens' demand for vaccination, local authorities in Yaohai District have taken a series of measures to ensure orderly vaccination such as deploying more medical workers and volunteers and establishing more makeshift vaccination sites. (Photo by Xie Chen/Xinhua)
A volunteer measures blood pressure for a citizen who is preparing for vaccination at a vaccination site in Hefei, east China's Anhui Province, May 17, 2021. To meet citizens' demand for vaccination, local authorities in Yaohai District have taken a series of measures to ensure orderly vaccination such as deploying more medical workers and volunteers and establishing more makeshift vaccination sites. (Photo by Xie Chen/Xinhua)
A citizen receives a dose of COVID-19 vaccine at a vaccination site in Hefei, east China's Anhui Province, May 17, 2021. To meet citizens' demand for vaccination, local authorities in Yaohai District have taken a series of measures to ensure orderly vaccination such as deploying more medical workers and volunteers and establishing more makeshift vaccination sites. (Photo by Xie Chen/Xinhua)
Citizens receive COVID-19 vaccines at a vaccination site in Hefei, east China's Anhui Province, May 17, 2021. To meet citizens' demand for vaccination, local authorities in Yaohai District have taken a series of measures to ensure orderly vaccination such as deploying more medical workers and volunteers and establishing more makeshift vaccination sites. (Photo by Xie Chen/Xinhua)