Coronavirus: Largest study suggests elderly and sick are most at risk

https://www.bbc.com/news/world-asia-china-51540981?fbclid=IwAR2sFUcST6ejvk_hnOTHA2nVELydnWaGMksd7s7y3q4CUvu7Gs8SUmT7Lyo

Health officials in China have published the first details of more than 44,000 cases of Covid-19, in the biggest study since the outbreak began.

Data from the Chinese Centre for Disease Control and Prevention (CCDC) finds that more than 80% of the cases have been mild, with the sick and elderly most at risk.

The research also points to the high risk to medical staff.