Mongols catapulted bodies which may be introduction to Europe. Regurgitate and defecate into wound. Fleas may live for years in soil around rodent burrow. Animal disease - asympt to severe, depends on immunity and genetic factors. Epizootic - susceptible population.
Child comes across dead or dying animal.
Local multiplication - survive in Macs. LPS - Hemorrhagic inflammation, chill, fever, pain in area. Low level bacteremia - progressive infection of internal organs. Systemic phenomena - fever, edema, DIC, shock. Not communcable at this stage.