Table 3.

Symptoms reported by seropositive and -negative study participants.

	Seronegative	Seropositive	p
Typical symptoms, n (%)	597 (54.6)	14 (63.6)	0.52
-Fever, n (%)	108 (9.9)	8 (36.4)	0.001
-Cough, n (%)	511 (46.7)	11 (50.0)	0.83
-Dyspnea, n (%)	254 (23.2)	8 (36.4)	0.12
Rhinorrhea, n (%)	736 (67.3)	16 (72.7)	0.65
Sore throat, n (%)	576 (52.7)	11 (50.0)	0.83
Headache, n (%)	717 (65.5)	15 (68.2)	1.0
Abdominal pain, n (%)	297 (26.9)	8 (36.4)	0.34
Muscle aches, n (%)	247 (22.6)	13 (59.1)	<0.001
Nausea, n (%)	211 (19.3)	8 (36.4)	0.06
Diarrhea, n (%)	299 (27.3)	8 (36.4)	0.34

Respective symptoms as stated by the study participants at SP 1 or SP 2 for the preceding month and at SP 3 for the preceding 2 months. Complete information was provided by a total of 1094 seronegative and 22 seropositive participants.