TABLE 1.

Bactericidal activities of sera and BAL fluids of mice immunized with nCD or rCD using AdDP as a mucosal adjuvant

Vaccination group	Sample	Bactericidal titera
		Preimmune	Postimmune
PBS	Sera	<2	<2
	BAL	<2	<2
nCD + AdDP	Sera	<2	<2
	BAL	NDb	<2
rCD + AdDP	Sera	<2	64
	BAL	ND	4

^aBactericidal titers are expressed as the reciprocal of the highest dilution of either serum or BAL fluid capable of killing at least 50% of the bacteria compared with controls. The results were obtained from duplicate bacterial plates, and no significant variations between the two plates were found.

^bND, not determined.