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Table 1 Geographic distribution of dairy herds and estimated herd prevalence of C. burnetii

From: Estimated herd prevalence and sequence types of Coxiella burnetii in bulk tank milk samples from commercial dairies in Indiana

Region Total regional herdsa %Total herds Total samples %Total samples Samples tested %Samples tested Positive samples % Positive samples Estimated prevalence 95 % C.I.
North 1622 67.6 % 845 72.4 % 217 68.7 % 129 66.8 % 59.4 % 52.8–65.8 %
Central 408 17.0 % 173 14.8 % 57 18.0 % 40 20.7 % 70.1 % 57.4–81.0 %
South 371 15.4 % 149 12.8 % 42 13.3 % 24 12.4 % 57.1 % 42.0–71.4 %
Total 2401   1167   316   193   60.8 % 55.3–66.0 %
  1. aTotal Regional Herds obtained from the 2012 Census of Agriculture [37]. These numbers include, but are not exclusive to, commercial dairy herds