Less Than 0.1% of Shanghai’s Hospitalized Covid Patients Develop Severe Illness, Study Shows

Less than 0.1% of the more than 30,000 hospitalized Covid-19 patients in Shanghai in the latest outbreak developed severe illness and all of them were over 60 years old with underlying medical conditions or weakened immune systems, a study found.

The study, authored by Zhang Wenhong, director of National Center of Infectious Diseases and director of the Infectious Diseases Department of Huashan Hospital affiliated to Fudan University, was published Saturday by the Chinese Center for Disease Control and Prevention.