Patient characteristics and setting  Facility cases: positive SARS‐CoV2 RT‐PCR testFacility controls: all SARS‐CoV‐2 RT‐PCR results were negative (minimum 2 test negatives in high‐risk patients, minimum 1 test low‐risk patients)Country: SingaporeDates: 26 January 2020‐16 February 2020Symptoms and severity: 252 (33.2%) symptoms > 5 days at presentation, 75 (9.5%) any comorbiditybody temperature
heart rate
respiratory rate
systolic BP
diastolic BP
cough
sputum production
shortness of breath
rhinnorhoea or nasal congestion
sore throat
auscultation finding of pneumonia
other respiratory symptoms
gastrointestinal symptoms
Demographics: median age 34 years (range 7 years‐98 years, IQR 27‐45) (cases median 42 years, range 16‐79; controls 34 years (range 7‐98); M/F: 48.3%/51.7% F (cases M: 88 (88.9%))Exposure history: contact with a known COVID‐19 case (20.1% (32/54 cases (59.3%)); 126/734 controls (17.2%), contact with travellers from China (22.1%, 15/54 cases (27.8%); 42/734 controls (5.7%)), recent travel history, and visit to hospital in China within 14 days prior to symptom onset (0.8%)