Table 1.

F. tularensis strains used in the study

Subspecies and type designation	Isolate/origin
F. tularensis subsp. tularensis (type A1)	F2246/Maryland
F. tularensis subsp. tularensis (type A1)	H3563/Oklahoma
F. tularensis subsp. tularensis (type A1)	Schu4/Ohio
F. tularensis subsp. holarctica (type B)	IN99-1009/Indiana
F. tularensis subsp. holarctica (type B)	KY99-3387/Kentucky
F. tularensis subsp. holarctica (type B)	NY98/New York
F. tularensis subsp. holarctica (type B)	OR96-0246/Oregon
F. tularensis subsp. holarctica (type B, attenuated)	LVS