A medical team member looks at food prepared by family before leaving for Hubei province at Chongqing Jiangbei International Airport in Southwest China's Chongqing, Feb 19, 2020. The 12th batch of 145 medical workers from Chongqing left for Hubei province on Wednesday to aid the novel coronavirus control efforts there. So far nearly 1,000 medical workers from Chongqing have assisted Hubei in the anti-virus fight. [Photo/xinhuanet.com]

Medical team members pose for photos with family members and friends before leaving for Hubei province at Chongqing Jiangbei International Airport in Southwest China's Chongqing, Feb 19, 2020. The 12th batch of 145 medical workers from Chongqing left for Hubei province on Wednesday to aid the novel coronavirus control efforts there. So far nearly 1,000 medical workers from Chongqing have assisted Hubei in the anti-virus fight. [Photo/xinhuanet.com]

A medical team member waves goodbye before leaving for Hubei province at Chongqing Jiangbei International Airport in Southwest China's Chongqing, Feb 19, 2020. The 12th batch of 145 medical workers from Chongqing left for Hubei province on Wednesday to aid the novel coronavirus control efforts there. So far nearly 1,000 medical workers from Chongqing have assisted Hubei in the anti-virus fight. [Photo/xinhuanet.com]