Lyme disease is gradually spreading from the Northeast and becoming more common farther south and west, government researchers reported Wednesday.
A county-by-county look at the infections shows it's found in four times as many counties now as it was in 1993, a team from the Centers for Disease Control and Prevention found.
It's not clear why - experts say climate change, forest regrowth and the spread of deer might all be factors. What is clear is that many more people than before need to watch out for the ticks that carry the infection, CDC says.
"Over time, the number of counties identified as having high incidence of Lyme disease in the northeastern states increased more than 320 percent: from 43 (1993-1997) to 90 (1998-2002) to 130 (2003-2007) to 182 (2008-2012)," Kiersten Kugeler of the CDC's center in Forth Collins, Colorado, and colleagues write in their report.
Full article available here: Lyme Disease Is Spreading
Source: NBC News
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