Table 1.

Summary of characteristics of the five confirmed and probable COVID-19 cases within the cohort of patient contacts of two SARS-CoV-2-positive GPs in a GP practice in Germany, 2020

	Case 1	Case 2	Case 3	Case 4	Case 5
Case classification	Confirmed	Confirmed	Probable	Probable	Probable
Age (years)	21	41	24	49	83
Sex	Female	Female	Female	Female	Female
Incubation period (days)	3	14	3	1	5
Underlying conditions	No	No	No	Yes: allergy/asthma; nephroptosis	Yes: allergy; high blood pressure; sinusitis
GP visited	X	X	Y	Y	Y
Time with GP (minutes)	10	10	13	12	5
Distance to GP (meter)	<1	<1	1–2	<1	<1
Close contacta	Close	Close	Close	Close	Close
Physical examination by GP	Yes	No	Yes	Yes	Yes
GP wore a face mask	No	No	Yes	Yes	No
Risk contact scoreb	2	2	2	2	2

^aCombination of distance <1 m and/or physical examination/blood drawn/injection.

^bRisk contact score (scale 0–3), one point for each: duration (1 point if ≥10 min), distance (1 point for <1 m and/or physical examination), GP with facemask (1 point for contact without a facemask, or contact ≥10 min with a facemask).