TABLE 1.

Demographics, baseline characteristics and clinical symptoms of 49 donors

	Donors (n = 49)
Age, years
Mean ± SD	37 ± 7.7
Range	25‐54
≤29	6 (12%)
30‐39	27 (55%)
40‐49	11 (23%)
≥50	5 (10%)
Sex
Male	33 (67%)
Female	16 (33%)
Severity of disease*
Mild	24 (49%)
Moderate	25 (51%)
Severe	0 (0%)
Signs and symptoms
Fever	39 (80%)
Cough	30 (61%)
Shortness of breath	10 (20%)
Muscle ache	19 (39%)
Diarrhea	13 (27%)
More than one sign or symptom	43 (88%)
Fever and cough	27 (49%)
Fever and shortness of breath	10 (20%)
Fever and muscle ache	16 (33%)
Time of disease onset to donation, days
Mean ± SD	37.8 ± 8.3
Range	23‐58
<28	5 (10%)
28‐34	14 (28%)
35‐41	15 (31%)
≥42	15 (31%)

^*The definition of disease classification was based on the Chinese diagnosis and treatment guidelines for the new coronavirus pneumonia (trial version 5). ¹⁹