Volunteers test COVID-19 vaccine
Updated：2020-03-25 10:06:29 China Daily
Wang Li, a 45-year-old volunteer, receives the recombinant novel coronavirus (COVID-19) vaccine inoculation in Wuhan, Central China's Hubei province, on March 24, 2020. [Photo by Zhu Xingxin/chinadaily.com.cn]
Keywords: Volunteers vaccine