Figure I—

Distribution of Michigan dogs by county during a Brucella canis outbreak from January I, 12007, through December 31, 2016. Numbers for entities in each category were assigned chronologically as dogs potentially infected with B canis were identified; in some instances, specific information such as the location of a home or facility to which a dog had been moved or sold could not be recalled or was not provided, and numbers could not be assigned. B = Noncommercial dog breeder. C = Individually owned dogs (case numbers). P = Commercial dog-production facility. R = Rescue agency (a and b represent 2 different dogs that were placed in foster care homes by the group). S = Shelter.