About 90% of Lyme disease cases in the US are reported from 15 high-incidence jurisdictions in the Northeast, mid-Atlantic and upper-Midwest regions, according to the CDC.
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Surveillance method identifies more cases Lyme disease in US
Diseases spread by ticks and other insects are becoming more common in the United States, but a new methodology for tracking Lyme disease may overestimate the significant spike in cases seen in 2022.

