SPADA
Three F. tularensis subspecies
From Keim et al. 2007
Differences among subspecies
• F. tularensis subsp. tularensis (Type A): Common with high diversity – found naturally only in North America • F. tularensis subsp. holarctica (Type B): Common with low diversity – found naturally throughout the northern hemisphere • F. tularensis subsp. mediasiatica : Rare and reported only occasionally from Central Asia
From Keim et al. 2007
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