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

Health officials in China have published the first details of more than 70,000 cases of Covid-19, in the biggest study since the outbreak began.

Data from the Chinese Centre for Disease พนันออนไลน์ Control and Prevention (CCDC) found 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 for medical staff.

The findings put the overall หนังโป๊ death rate of the Covid-19 virus at 2.3%.

In Hubei, the worst affected province, the death rate is 2.9% compared with only 0.4% in the rest of the country.

China's latest official figures released on Tuesday put the overall death toll at 1,868 and 72,436 infections.

The paper by the CCDC, released on หนังโป๊ Monday and published in the Chinese Journal of Epidemiology, looked at all 72,314 cases of Covid-19 diagnosed across China as of 11 February, including confirmed, suspected, and asymptomatic cases.

While the results largely confirm previous descriptions of the virus and patterns of infection, the study includes a detailed breakdown of the 44,672 confirmed cases across all of China.