Why Lyme disease is common in the north, rare in the south

(US Geological Survey) When it's hot and not too muggy, Lyme disease-bearing black-legged ticks avoid desiccation by hiding out where people don't tread. Scientists say that's why the illness is rare in the South, and may eventually fade out along the Mason-Dixon line.
Source: EurekAlert! - Medicine and Health - Category: Global & Universal Source Type: news