Yan Keqin (L) and Zhang Xin register the information of samples for nucleic acid tests at a lab of China-Japan Friendship Hospital in Beijing, capital of China, July 3, 2020. Yan Keqin and Zhang Xin, medical workers from different departments of China-Japan Friendship Hospital, now work on a temporary laboratory team to help carry out COVID-19 nucleic acid tests at the hospital. Their daily tasks include sample collection, sample disposal, virus inactivation and information input. So far, the lab where Yan and Zhang work can handle as many as 10,000 COVID-19 tests per day. (Xinhua/Han Xu)
