Members of a Chinese medical team wave goodbye before boarding a plane to leave for Uzbekistan at Nanchang Changbei International Airport in Nanchang, east China's Jiangxi Province, April 17, 2020. The team of 15 medical experts left for Uzbekistan on Friday to assist its ongoing efforts in the fight against COVID-19. (Photos: Xinhua/Wan Xiang)

Members of a Chinese medical team pose for a group photo before leaving for Uzbekistan at Nanchang Changbei International Airport in Nanchang, east China's Jiangxi Province, April 17, 2020. The team of 15 medical experts left for Uzbekistan on Friday to assist its ongoing efforts in the fight against COVID-19.

Members of a Chinese medical team wave goodbye before boarding a plane to leave for Uzbekistan at Nanchang Changbei International Airport in Nanchang, east China's Jiangxi Province, April 17, 2020. The team of 15 medical experts left for Uzbekistan on Friday to assist its ongoing efforts in the fight against COVID-19.

Members of a Chinese medical team take part in a departure ceremony before leaving for Uzbekistan at Nanchang Changbei International Airport in Nanchang, east China's Jiangxi Province, April 17, 2020. The team of 15 medical experts left for Uzbekistan on Friday to assist its ongoing efforts in the fight against COVID-19.

Members of a Chinese medical team take part in a departure ceremony before leaving for Uzbekistan at Nanchang Changbei International Airport in Nanchang, east China's Jiangxi Province, April 17, 2020. The team of 15 medical experts left for Uzbekistan on Friday to assist its ongoing efforts in the fight against COVID-19.