Shifting of Infectious Diseases Due to Climate Change

CDC (January 2022): Open Access PDF: Our Risk of Infectious Diseases Is Increasing Because of Climate Change

“Between 2004 and 2018, the number of reported illnesses from mosquito, tick, and flea bites more than doubled, with more than 760,000 cases reported in the United States. Nine new germs spread by mosquitoes and ticks were discovered or introduced into the United States during this period. The geographic ranges where ticks spread Lyme disease, anaplasmosis, ehrlichiosis, and spotted fever rickettsiosis have expanded, and experts predict that tickborne diseases will continue to increase.”

EPA: Climate Change Indicators: Lyme Disease This EPA website has links to many other climate change indicators.

The lack of dots in Massachusetts in 2018 is due to a difference in
reporting standards, not an absence of Lyme disease

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