I don't believe anything coming out of mainland China. The Communist Party has been playing fast and loose on data concerning SARS-COVID-2 or more appropriately SARS-CCP-2. I do believe that none of the doctors who first diagnosed the disease are currently alive.
https://www.youtube.com/watch?v=beDmuDDknNI
https://www.youtube.com/watch?v=beDmuDDknNI