Fig. 1From: Canine and human infection with Borrelia burgdorferi in the New York City metropolitan areaPercent positive canine tests for antibody to Borrelia burgdorferi by county in the New York City Metropolitan Statistical Area. Counties are labeled with 2 letter abbreviations (full names provided in Additional file 1: Table S1) and were coded as follows: 0–5% (light blue), 6–10% (blue), 11–20% (dark blue), and > 20% (very dark blue)Back to article page