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What areas have the most cases of Lyme disease?

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According to the CDC, 95% of confirmed cases in 2015 were in 14 states: Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, and Wisconsin.

Black-legged ticks have been found in 43 states, as of last year. However, they behave differently, depending on climate.

In the South, which is more prone to hot weather, ticks tend to stay under leaf litter and don’t come up higher to feed much. This means Southern ticks don’t transmit Lyme disease as frequently because they don’t tend to feed on humans.

From: Lyme Disease: Important Facts to Know WebMD Medical Reference

SOURCES:

CDC website.

Alan Taege, MD, Department of Infectious Disease, Cleveland Clinic.

EPA: “Climate Change Indicators in the United States.”

American College of Rheumatology.

Infectious Diseases Society of America.

Eisen, R. , March 2016. J Med Entomol

Paul Mead, MD, chief of epidemiology and surveillance activity, Bacterial Diseases Branch, CDC.

John Aucott, MD, assistant professor of medicine, Johns Hopkins University School of Medicine; director, Johns Hopkins Lyme Disease Clinical Research Center.

Press release, Valneva. 

Reviewed by Neha Pathak on April 25, 2018

SOURCES:

CDC website.

Alan Taege, MD, Department of Infectious Disease, Cleveland Clinic.

EPA: “Climate Change Indicators in the United States.”

American College of Rheumatology.

Infectious Diseases Society of America.

Eisen, R. , March 2016. J Med Entomol

Paul Mead, MD, chief of epidemiology and surveillance activity, Bacterial Diseases Branch, CDC.

John Aucott, MD, assistant professor of medicine, Johns Hopkins University School of Medicine; director, Johns Hopkins Lyme Disease Clinical Research Center.

Press release, Valneva. 

Reviewed by Neha Pathak on April 25, 2018

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What affects the prevalence of Lyme disease?

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