Ticks that can carry Rocky Mountain spotted fever

The ticks shown in these pictures can infect people with the germ that causes Rocky Mountain spotted fever.

Reproduced from: Champman AS, Bakken JS, Folk SM, et al. Diagnosis and management of tickborne rickettsial diseases: Rocky Mountain Spotted Fever, Ehrlichoioses, and Anaplasmosis-United States: A practical guide for physicians and other health-care and public health professionals. MMWR Recomm Rep 2006; 55:1.

Graphic 87133 Version 2.0