Francisella tularensis subsp. tularensis strain FSC033. This subspecies is virulent in humans. Strain FSC033 was isolated in Georgia from a squirrel and is highly virulent. This strain will be used fo
aCumulative mortality from inoculation until the 90th day after inoculation (d.a.i); bCumulative mortality from the 90th until the 180th d.a.i.; cPercentage of animals presenting positive fresh blood