An older couple walked into the Hubei Provincial Hospital of Integrated Chinese and Western Medicine near their neighborhood with a fever and cough on Dec. 26, 2019. Computed tomography (CT) scans showed lesions in their lungs distinct from anything caused by any other known viral pneumonia. Jixian Zhang, M.D., director of the hospital’s Respiratory Medicine Department, told the couple to get their son over for a check. The son was asymptomatic, but his CT images found similar conditions. On the same day a vendor from the Hua’nan Seafood Market also had a fever and coughing with…