Wang Chunyu (L), neurologist and team leader of the 21st batch of the China medical team in Ethiopia, treats a patient with his fellow member at Tirunesh-Beijing Hospital in Akaki neighborhood on the outskirts of Addis Ababa, Ethiopia, Aug. 17, 2020. The 16-member 21st batch of Chinese medical team in Ethiopia, which is now in the East African country for about one and a half year period, showed their commitment to serving Ethiopians by staying put in the country even after their duty ended, pursuing their service as the country faced with the COVID-19 pandemic. (Xinhua/Michael Tewelde)

A member of the 21st batch of the China medical team in Ethiopia checks the information of an Ethiopian patient with an Ethiopian doctor at Tirunesh-Beijing Hospital in Akaki neighborhood on the outskirts of Addis Ababa, Ethiopia, Aug. 17, 2020. The 16-member 21st batch of Chinese medical team in Ethiopia, which is now in the East African country for about one and a half year period, showed their commitment to serving Ethiopians by staying put in the country even after their duty ended, pursuing their service as the country faced with the COVID-19 pandemic. (Xinhua/Michael Tewelde)

A medical staff member of the 21st batch of the China medical team in Ethiopia puts on protective gears at Tirunesh-Beijing Hospital in Akaki neighborhood on the outskirts of Addis Ababa, Ethiopia, Aug. 17, 2020. The 16-member 21st batch of Chinese medical team in Ethiopia, which is now in the East African country for about one and a half year period, showed their commitment to serving Ethiopians by staying put in the country even after their duty ended, pursuing their service as the country faced with the COVID-19 pandemic. (Xinhua/Michael Tewelde)

A member of the 21st batch of the China medical team in Ethiopia checks the X-ray result of a patient at Tirunesh-Beijing Hospital in Akaki neighborhood on the outskirts of Addis Ababa, Ethiopia, Aug. 17, 2020. The 16-member 21st batch of Chinese medical team in Ethiopia, which is now in the East African country for about one and a half year period, showed their commitment to serving Ethiopians by staying put in the country even after their duty ended, pursuing their service as the country faced with the COVID-19 pandemic. (Xinhua/Michael Tewelde)

A medical staff member of the 21st batch of the China medical team in Ethiopia checks an Ethiopian pregnant woman at Tirunesh-Beijing Hospital in Akaki neighborhood on the outskirts of Addis Ababa, Ethiopia, Aug. 17, 2020. The 16-member 21st batch of Chinese medical team in Ethiopia, which is now in the East African country for about one and a half year period, showed their commitment to serving Ethiopians by staying put in the country even after their duty ended, pursuing their service as the country faced with the COVID-19 pandemic. (Xinhua/Michael Tewelde)

Ethiopian patients wait for medical checkup at the waiting center of Tirunesh-Beijing Hospital in Akaki neighborhood on the outskirts of Addis Ababa, Ethiopia, Aug. 17, 2020. The 16-member 21st batch of Chinese medical team in Ethiopia, which is now in the East African country for about one and a half year period, showed their commitment to serving Ethiopians by staying put in the country even after their duty ended, pursuing their service as the country faced with the COVID-19 pandemic. (Xinhua/Michael Tewelde)