Home Ticks Diseases Techniques Risk map Wild facts Sources

Tickpedia/Diseases/Spotted fever rickettsiosis/History

Year-over-year

Spotted fever rickettsiosis cases over time

26,672 reported cases across 2 years of CDC surveillance.

Year-over-year

diseaseCountyYear.casesByYear

Tickpedia

A field guide to ticks, the diseases they carry, and how to get them off you. Open source — MIT.

github.com/tickpedia/tickpedia

Browse

Ticks
Diseases
Techniques
Risk map
Wild facts

Project

About
Sources
Contribute

Data

Surveillance data: CDC. Geographic centroids: US Census Bureau Gazetteer. One-liners and editorial copy: this project, with citations on every fact.

© 2026 Tickpedia contributors · MITNot medical advice — see about for the limits.