Scientists from the Chinese Center for Disease Control and Prevention published the results of the largest research over an outbreak of 2019 novel coronavirus diseases.
Experts received data about 72,300 patients from CCDC database and studied 44,600 confirmed cases 16,186 suspected cases, 10,567 clinically diagnosed cases and 889 asymptomatic cases.
Among confirmed cases, most were aged 30–79 years, and most of them had links to Wuhan which is the center of the outbreak.
COVID-19 has been mild for 81% of patients and has a very low overall case fatality rate of 2.3%. Among the 1,023 deaths, a majority have been ≥60 years of age and/or have had pre-existing, comorbid conditions such as hypertension, cardiovascular disease, and diabetes. Case fatality rate for males was 2.8% and for females was 1.7%.