Geo temporal distribution of 1,688 Chinese healthcare workers infected with COVID-19 in severe conditions, a secondary data analysis

Wayne Gao; Mattia Sanna; Chi Pang Wen

Among the infected Chinese healthcare workers whose symptoms onset appeared during the same ten-day period, the percentage of those in severe conditions decreased statistical significantly from 19.7% (Jan 11 -20) to 14.4% (Jan 21 -31) to 8.7% (Feb 1 -11). Across the country, there was also a significant difference in the disease severity among patients symptoms onset during the same period, with Wuhan being the most severe (17%), followed by Hubei Province (10.4%), and the rest of China (7.0%). The case fatality rate for the 1,688 infected Chinese healthcare workers was significantly lower than that for the 29,798 infected patients aged 20-59 years-0.3% (5/1,688) vs. 0.65% (193/29,798), respectively. All rights reserved. No reuse allowed without permission. author/funder, who has granted medRxiv a license to display the preprint in perpetuity. 3 , and case fatality rates (CFR) of 4.3% (6/138) 4 and 11% (11/99) 5 in Wuhan, while lower figures were reported outside the city 6 . However, the high CFRs observed in Wuhan are likely to be overestimated, as the cited studies have mainly considered patients with severe symptoms who were hospitalized, excluding mild and asymptomatic patients who are less likely to be admitted to the hospital 7 . The most recent estimation of an overall 2.3% CFR reported by China CDC 8,9 is thus tentative, and more specific figures will remain undetermined until a later point.