TABLE 3.

EIA units of IgG subtypes

Age of mice (wk)	Group	EIA units
		cHsp60 IgG1	cHsp60 IgG2c	C. pneumoniae IgG1	C. pneumoniae IgG2c
10a	II	1.7 (1.4-2.0)c	1.1 (0.6-2.1)	0.4 (0.3-0.6)	2.8 (2.2-3.6)
	V	1.4 (1.1-1.8)	0.6 (0.3-0.9)	0.0 (0.0-0.3)	0.0 (0.0-0.0)
18b	II	1.8 (1.2-2.5)	37.2 (17.5-79.0)	0.7 (0.3-1.6)	8.1 (6.0-10.9)
	V	1.4 (1.1-1.7)	0.7 (0.6-0.8)	0.0 (0.0-0.3)	0.2 (0.1-0.4)
30b	I	2.4 (1.7-3.5)	67.6 (52.0-87.8)	0.8 (0.3-2.1)	7.0 (5.0-9.9)
	III	1.9 (1.2-2.9)	53.4 (36.5-78.2)	0.4 (0.2-0.8)	5.5 (4.3-7.2)
	IV	3.0 (0.9-9.5)	48.4 (33.3-70.3)	0.5 (0.3-0.8)	4.9 (3.7-6.3)
	V	1.4 (1.0-2.2)	1.0 (0.7-1.3)	0.0 (0.0-0.2)	0.4 (0.3-0.5)
32	I	4.3 (1.9-9.8)	51.9 (21.6-124.4)	0.8 (0.4-1.5)	6.6 (5.0-8.6)
	II	1.8 (1.5-2.2)	42.1 (19.7-90.2)	0.8 (0.5-1.2)	6.4 (4.7-8.3)
	III	2.1 (1.2-3.8)	33.2 (19.3-57.0)	0.7 (0.4-1.4)	4.1 (3.5-4.8)
	IV	1.9 (1.3-2.7)	27.7 (7.1-107.7)	1.0 (0.6-1.7)	4.3 (3.5-5.4)
	V	1.1 (0.8-1.5)	0.7 (0.4-1.1)	0.0 (0.0-0.2)	0.2 (0.1-0.9)

^aTwo weeks after the primary inoculation;

^bTwo weeks after the third inoculation.

^cThe values are geometric means. The values in parentheses are 95% confidence intervals.