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Tick season increasingly begins sooner with climate change

Ticks are emerging earlier from winter hibernation and remaining active for more weeks of the year as the climate is warming, according to public health experts. The result is that Americans’ risk of infection from pathogens carried by the outdoor pests is increasing.

“There are more tick-borne disease [cases] every year,” John Aucott, M.D., director of the Johns Hopkins Lyme Disease Clinical Research Center, told WebMD.

The CDC recorded 59,349 cases of tick-borne illnesses in 2017, and there were likely 10 times more cases, since cases of diagnosed Lyme disease (the most common tick-borne disease) often don’t get reported to the CDC, according to the agency’s own assessment of medical records and other data.

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