China
Retrospective cohort study
Online questionnaire
72
HCWs (>18 years of age) with acute respiratory symptoms in a single-center setting, who worked at the forefront to fight against COVID-19 since it outbroke
Ages ranged from 21 to 66 years with a median (interquartile range, IQR) of 31 (28-40,12). 22 are males and 50 are females
0
SARS COV-2 infection
28
The diagnosis of COVID-19 conformed to Diagnosis and treatment of novel coronavirus pneumonia (Trial Version 3)?? issued by the National Health Commission of the People??s Republic of China. All cases were diagnosed with the test by PCR nucleic acid.
Patient characteristics
Contact history
Diagnosed patient
Without contact to diagnosed patient
13
17
With contact to diagnosed patient
15
55
Relative risk
0.360 (0.220-0.590)
Yes
No
Not applicable
Follow-up time is up to January 28. Date of recruitment not stated, thus, could not determine the total number of days
Average