A staff member checks devices for COVID-19 nucleic acid testing at Yangzhou International Exhibition Center in Yangzhou, east China's Jiangsu Province, Aug. 10, 2021.
BEIJING, Aug. 10 (Xinhua) -- China has been striving to make COVID-19 vaccines more available in developing countries, and has already provided more than 770 million doses of vaccines and concentrates to the world.
A resident gets inoculated against COVID-19 at a vaccination site in a stadium in Nanjing, capital of east China's Jiangsu Province, Aug. 2, 2021.
WUHAN, Aug. 10 (Xinhua) -- A total of about 70.
