SPADA
Two distinct groups within Type A
Vectors
Hosts
f d • Type A.I. oun in eastern Nort America an west coast • Type A.II. found in western North America • These distributions are correlated with the distributions of specific mammal hosts and tick/fly vectors d h
From Farlow et al. 2005
Three major subgroups in A.I
Lower virulence in mice
Higher virulence in mice
Tree from Birdsell et al. 2014 Mouse data from Molins et al. 2010
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