Lyme Disease

Lyme disease is shifting northward within the U.S., with cases in northern states on the rise while cases in southern states decline, a new study says.Between 1992 and 2007, there were significant increases in Lyme disease rates in 21 states, while 14 states showed a significant decrease, and 15 states showed no significant change, according to the study.Most of the states that showed increases in the tick-borne disease were northern states, including most states in New England, along with Virginia, Ohio, and Pennsylvania, and states across the northern Midwest, including Michigan, Illinois, Wisconsin, Minnesota and North Dakota.States that showed decreases in Lyme disease rates over the study period were mainly in the Southeast, such as Georgia, Louisiana, Mississippi, Tennessee and Kentucky, but drops were also seen in California, Oregon and Wyoming."Our findings are consistent with the hypothesis that increases in Lyme disease incidence in recent decades are attributable at least in...

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