Table 2.

Serological results against the different peptides and peptide combinations.

Reactive Antigen(s)	Positive Samples (N = 463)	Median Days of Delay between Symptoms and Sample Collection (IQR)
B21R-179/180 only	17 (3.7%)	9.5 (5–18)
B21R-180/186 only	5 (1.1%	4 (2–6)
B22R-64/65 only	70 (15.1%)	8 (5.5–10)
Both B21R-179/180 and B21R-180/186	3 (0.6%)	2 (0–13)
Both B21R-179/180 and B22R-64/65	24 (5.2%)	9.5 (6–10.5)
Both B21R-180/186 and B22R-64/65	4 (0.9%)	37.5 (23–52)
All 3 peptides	1 (0.2%)	8
All positive to B21R-179/180	45 (9.7%)	8.5 (5–11)
All positive to B21R-180/186	13 (2.8%)	6 (2–13)
All positive to B22R-64/65	99 (21.4%)	8 (6–10)
Positive to at least one antigen	124 (26.8%)	8 (5–11)