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Table I.

Arthropod vectors considered significant with respect to transmitting F. tularensis to humans.

Arthropod Species Mode of transmission Geographic regions
Deer-fly C. discalis Mechanical USA
C. relictus Russia
Horse-fly H. pluvialis Mechanical Russia
Mosquito A. cinereus Mechanical Sweden
O. excrutians Russia
Tick (Hard) D. andersoni Biological USA
D. variabilis
A. americanum