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(A) Climatic parameters provided by Météo France at the Munster meteorological station, monthly average temperature (line) and maximum temperatures (vertical bars). (B) Density of adult I. ricinus ticks infected by B. burgdorferi sensu lato (obtained by multiplying the tick density/100 m2 by the infection rate) in the three sampling sites. (C) Density of nymph ticks infected by B. burgdorferi sensu lato.
