BEIJING, May 13 (Xinhua) -- Beijing Ditan Hospital is one of the capital's designated hospitals for treating COVID-19 patients. Medical workers here have long been working on the frontline of the battle against the virus.

Nurse Gao Qi teaches an elderly patient to use a smartphone at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Dayshift nurse Gao Qi (R) hands over works to nightshift nurse Liu Yinhuai at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurse Peng Qian answers a call from a ward at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

A nurse walks past a wall with nurses' photos at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020.(Xinhua/Peng Ziyang)

A nurse washes hands at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurse Gao Qi changes clothes after work at the dormitory of Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurse Peng Qian gets surgical alcohol from the pharmacy of Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurses look at a gift received a day before International Nurses Day at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Dayshift nurse Zhang Li (1st L) hands over works to nightshift nurses at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurse Wang Rui grinds tablets into powder for patients who have difficulties in swallowing at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurses Wang Rui (L) and Shi Miao arrange patients' test samples at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurses pose for photos during an event to celebrate the International Nurses Day at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

A nurse works at an ICU ward of Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020.  (Xinhua/Peng Ziyang)

Nurse Gao Qi checks health condition for a patient at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurse Liu Yinhuai puts on personal protective equipment before entering a ward at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)

Nurse Gao Xinyue (L) talks with her colleague about patients' condition at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. (Xinhua/Peng Ziyang)■