Ctf-distribution-map

描述：

Description: English: Approximate geographic distribution of Dermacentor andersoni ticks and counties of residence for confirmed and probable Colorado tick fever (CTF) virus disease cases, United States, 2010–2019. All cases were acquired in states where local transmission of CTF virus has been reported previously. Derived from James AM, Freier JE, Keirans JE, Durden LA, et al. Distribution, seasonality, and hosts of the Rocky Mountain wood tick in the United States. J Med Entomol 2006; 43:17–24. Date: 1 January 2021. Source: https://www.cdc.gov/coloradotickfever/statistics.html. Author: Centers for Disease Control and Prevention.