Medical staff members take throat swab samples from people at a newly-adopted mobile testing vehicle in Xicheng District of Beijing, capital of China, June 28, 2020. (Photo/China News Service)
Medical staff members take throat swab samples from people at a newly-adopted mobile testing vehicle in Xicheng District of Beijing, capital of China, June 28, 2020. (Photo/China News Service)
Medical staff members take throat swab samples from people at a newly-adopted mobile testing vehicle in Xicheng District of Beijing, capital of China, June 28, 2020. (Photo/China News Service)
A medical staff member takes a throat swab samples from a woman at a newly-adopted mobile testing vehicle in Xicheng District of Beijing, capital of China, June 28, 2020. (Photo/China News Service)
Medical staff members take throat swab samples from people at a newly-adopted mobile testing vehicle in Xicheng District of Beijing, capital of China, June 28, 2020. (Photo/China News Service)