Rating

Low Lyme Disease Risk

Scale55-100

Higher values are better.

About This Ranking

Goal

Highlight places in counties with lower recently reported Lyme disease incidence, using the 2022-2023 average and stabilizing small-county rates.

Sources

2 sources

Data through 2023; CDC surveillance page updated February 11, 2025

Data: Reported county Lyme disease case counts through 2023; this score uses the average annual cases reported in 2022 and 2023.
What it tells us: Provides reported cases by county of residence, not necessarily where infection occurred; diagnosis, reporting, and surveillance practices affect the totals.

2019-2023 estimates; released December 12, 2024

Data: County total population used as the denominator for reported case incidence and to stabilize rates from smaller counties.
What it tells us: Turns reported case counts into a per-100,000 county rate and determines how strongly that rate is pulled toward the national average.

Ranked by Low Lyme Disease Risk.

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