People receive a dose of COVID-19 vaccine at a COVID-19 vaccination site in Ruili City of Dehong Prefecture, southwest China's Yunnan Province, April 1, 2021. Dehong Prefecture started mass vaccination against COVID-19 on Thursday. Ruili, a Chinese city near the border with Myanmar, reported six new COVID-19 cases and 23 asymptomatic cases on Wednesday, following the six confirmed cases reported the day before. This is the first significant COVID-19 cluster reported in China in recent months. (Photo: China News Service/Miao Chao)
People undergo medical examinations before receiving the COVID-19 vaccine in Ruili City, southwest China's Yunnan Province, April 1, 2021. Dehong Prefecture started mass vaccination against COVID-19 on Thursday. Ruili, a Chinese city near the border with Myanmar, reported six new COVID-19 cases and 23 asymptomatic cases on Wednesday, following the six confirmed cases reported the day before. This is the first significant COVID-19 cluster reported in China in recent months. (Photo: China News Service/Miao Chao)
People wait in the observation area after the vaccination in Ruili City, southwest China's Yunnan Province, April 1, 2021. Dehong Prefecture started mass vaccination against COVID-19 on Thursday. Ruili, a Chinese city near the border with Myanmar, reported six new COVID-19 cases and 23 asymptomatic cases on Wednesday, following the six confirmed cases reported the day before. This is the first significant COVID-19 cluster reported in China in recent months. (Photo: China News Service/Miao Chao)
People queue for inoculation at a COVID-19 vaccination site in Ruili City, southwest China's Yunnan Province, April 1, 2021. Dehong Prefecture started mass vaccination against COVID-19 on Thursday. Ruili, a Chinese city near the border with Myanmar, reported six new COVID-19 cases and 23 asymptomatic cases on Wednesday, following the six confirmed cases reported the day before. This is the first significant COVID-19 cluster reported in China in recent months. (Photo: China News Service/Miao Chao)