TABLE 2.

rTbpB-specific antibodies in serum and BAL fluid after immunization with either 20 or 40 μg of rTbpB

Sample	rTbpB dose (μg/rat) used for immunization	Levela of:
		rTbpB-specific IgG	rTbpB-specific IgA
Serum	0b	28.60 ± 4.14	NAc
BAL	0b	93.79 ± 10.24	4.03 ± 0.77
Serum	20	155.20 ± 55.40	NA
BAL	20	463.54 ± 160.50	11.64 ± 7.06
Serum	40	218.96 ± 69.40	NA
BAL	40	785.12 ± 351.12	24.46 ± 15.73

^aIgG levels in serum are given in micrograms per milliliter; IgG and IgA levels in BAL fluid are given in nanograms per milliliter. 

^bNonimmune. 

^cNA, not assayed.