https://www.news18.com/amp/photogallery/photogallery/surge-in-chinas-mysterious-respiratory-cases-sparks-global-health-concerns-a-visual-explainer-8679912.html
Chinese Health officials blamed the influenza virus, rhinoviruses, the respiratory syncytial virus, or RSV, the adenovirus as well as bacteria such as mycoplasma pneumonia for the spread of the illness