Where to Find Current Data

If you want to go deeper than what's on this site, here are the actual primary sources.

• CDC Tick Bite Data Tracker — Emergency department visit data updated regularly. Shows bite visit rates by week, region, age, and sex.
• CDC Tickborne Disease Surveillance Summary — Reported cases by disease and year.
• CDC Tickborne Pathogen Surveillance Maps — Where specific pathogens have been found in ticks by county through 2025.
• HHS May 2026 Lyme Disease Initiative — Full text of the federal announcement.
• TickEncounter Resource Center (URI) — Population data, tick identification, and the TickSpotters surveillance system where you can submit photo IDs of ticks you've found.

I try to keep the rest of this site updated as new research and federal actions come out, but the primary sources above will always be more current than any single site, including this one.