


Crowdsourced Photos Show Expanding Ranges for Ticks
Analysis of tick photos submitted to the TickSpotters program finds three tick species that transmit Lyme and other human diseases are present in hundreds of U.S. counties where previous surveillance had not yet documented them.

Mapping Lyme: CDC Reveals Distribution of Lyme Disease-Causing Bacteria by County
A new study by CDC researchers provides a county-level map of the presence of ticks confirmed to be carrying the bacteria that cause Lyme disease—though the distribution of ticks that are capable of carrying it is much wider.

Tick Surveillance and Control Lagging in U.S., Study Shows
The first-ever survey of the nation's tick-management programs reveals an inconsistent and often under-supported patchwork of programs across the country.

Cold-Season Temperature and Rainfall Drive Climate Suitability for Ticks in California
A new CDC study finds cold-season temperature and rainfall are the two leading factors that determine climate suitability for ticks within California, deeming the state's far northern coast and the western Sierra Nevada foothills as the most likely habitat for the western blacklegged tick.