A recovered coronavirus patient prepares to donate plasma in Wanzhou District of southwest China's Chongqing Municipality, Feb. 21, 2020. Two recovered patients of coronavirus infection donated plasma in Chongqing on Friday. (Photo by He Hongze/Xinhua)
A recovered coronavirus patient displays the certificates after donating plasma in Wanzhou District of southwest China's Chongqing Municipality, Feb. 21, 2020. Two recovered patients of coronavirus infection donated plasma in Chongqing on Friday. (Photo by He Hongze/Xinhua)
A recovered coronavirus patient donates plasma in Wanzhou District of southwest China's Chongqing Municipality, Feb. 21, 2020. Two recovered patients of coronavirus infection donated plasma in Chongqing on Friday. (Photo by He Hongze/Xinhua)
