TABLE 1.

Legionella strains^a used in this study

Species	Strain	Serogroup	Implicated in Disease	iraA and iraB present
L. pneumophila	130b (Wadsworth)	1	Yes	Yes
L. pneumophila	ATCC 33154	2	Yes	Yes
L. pneumophila	ATCC 33155	3	Yes	Yes
L. pneumophila	ATCC 33156	4	Yes	Yes
L. pneumophila	ATCC 33216	5	Yes	Yes
L. pneumophila	MDPHb	6	Yes	Yes
L. pneumophila	MDPH	7	Yes	Yes
L. pneumophila	MDPH	9	Yes	Yes
L. pneumophila	MDPH	11	Yes	Yes
L. pneumophila	MDPH	12	Yes	Yes
L. pneumophila	ATCC 43736	13	Yes	Yes
L. birminghamensis	ATCC 43702		Yes	No
L. erythra	SE-32A		No	No
L. feeleii	WO-44C		Yes	No
L. gormanii	ATCC33297		Yes	Yes
L. hackeliae	Lansing 2		Yes	No
L. israelensis	ATCC 43119		No	No
L. jamestowniensis	ATCC 35298		No	No
L. longbeachae	ATCC 33462		Yes	No
L. micdadei	ATCC 33204		Yes	No
L. oakridgensis	ATCC 33761		Yes	No
L. parisiensis	PF-209		Yes	No
L. sainthelensi	Mt. St. Helens 4		Yes	No
L. santicrucis	ATCC 35301		No	No
L. spiritensis	ATCC 35249		No	No

^aFor the origin of these strains and their disease association, see references 54 and 61 and the references therein. 

^bObtained from the Michigan Department of Public Health.