Nurse Long Bifei works at Guizhou Provincial People's Hospital in Guiyang, southwest China's Guizhou Province, May 12, 2020. Tuesday marked the International Nurses Day, which is celebrated on May 12 every year. Numerous nurses across the country were still sticking to their posts on the day. (Xinhua/Ou Dongqu)

Head nurse Yang Hui works at Guizhou Provincial People's Hospital in Guiyang, southwest China's Guizhou Province, May 12, 2020. Tuesday marked the International Nurses Day, which is celebrated on May 12 every year. Numerous nurses across the country were still sticking to their posts on the day. (Xinhua/Ou Dongqu)

A nurse works at Dingzhou City People's Hospital in Dingzhou, north China's Hebei Province, May 12, 2020. Tuesday marks the International Nurses Day, which is celebrated on May 12 every year. (Xinhua/Zhu Xudong)

Nurses take care of a patient at Dingzhou City People's Hospital in Dingzhou, north China's Hebei Province, May 12, 2020. Tuesday marks the International Nurses Day, which is celebrated on May 12 every year. (Xinhua/Zhu Xudong)

Nurses receive a cake and flowers on the occasion of the International Nurses Day at Dingzhou City People's Hospital in Dingzhou, north China's Hebei Province, May 12, 2020. Tuesday marks the International Nurses Day, which is celebrated on May 12 every year. (Xinhua/Zhu Xudong)

Nurse Miao Sha who was a team member to aid Hubei Province amid the COVID-19 outbreak shares her experiences during a ceremony held by Sichuan Cancer Hospital in Chengdu, capital of southwest China's Sichuan Province, May 12, 2020. Tuesday marked the International Nurses Day, which is celebrated on May 12 every year. (Xinhua/Liu Kun)

Newly recruited nurses take an oath during a cap awarding ceremony at Sichuan Cancer Hospital in Chengdu, capital of southwest China's Sichuan Province, May 12, 2020. Tuesday marked the International Nurses Day, which is celebrated on May 12 every year. (Xinhua/Liu Kun)

Newly recruited nurses attend a cap awarding ceremony at Sichuan Cancer Hospital in Chengdu, capital of southwest China's Sichuan Province, May 12, 2020. Tuesday marked the International Nurses Day, which is celebrated on May 12 every year. (Xinhua/Liu Kun)

A nurse works at an ICU ward of Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)

A nurse walks past a wall with nurses photos at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (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. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)

Nurse Gao Qi checks health condition for a patient at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)

A nurse delivers a bunch of flowers to a patient at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (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. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (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. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)

A nurse washes hands at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)

A nurse grinds tablets into powder for patients who have difficulties in swallowing at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)

Nurse Gao Qi teaches an elderly patient to use a smartphone at Beijing Ditan Hospital in Beijing, capital of China, May 11, 2020. 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 front line of fighting against the virus. They were pictured by Xinhua photographer on Monday, a day ahead of the International Nurses Day celebrated on May 12 every year. (Xinhua/Peng Ziyang)