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Distribution of the presumed infecting serogroup among 247 non-vaccinated dogs enrolled in three community types (Farms, Villages and Slums) from Los Rios Region, Chile. For each seropositive dog, the infecting serogroup was defined as the serogroup with a titer at least two dilutions higher than any other titer in the dog’s profile. Undetermined corresponded to dogs for which this definition could not be applied.
