TABLE 4.

Cellular and humoral immune responses to B. burgdorferi antigens according to duration of acute infection

Antigen	Resulta for patients with indicated duration of acute infection prior to sampling (days)
	Proliferation assay			IgM ELISA			IgG ELISA
	<7 (n = 31)	≥7 (n = 8)	P	<7 (n = 31)	≥7 (n = 8)	P	<7 (n = 31)	≥7 (n = 8)	P
B. burgdorferi lysate	13 (42)	4 (50)	0.7	10 (32)	4 (50)	0.4	3 (10)	2 (25)	0.3
FlaB	2 (6)	1 (13)	0.5	8 (26)	4 (50)	0.2	5 (16)	5 (63)	0.02
OspC	7 (23)	1 (13)	1.0	12 (39)	6 (75)	0.1	11 (35)	4 (50)	0.7
OspA	8 (26)	0 (0)	0.2	2 (6)	1 (13)	0.5	3 (10)	0 (0)	1.0

^aExcept for P values, results are presented as number (percent) of samples testing positive.