Flies carry disease by transporting infectious agents on their feet. They may spread salmonellosis, typhoid, and other diseases. (Image courtesy of the Centers for Disease Control and Prevention.)
Review Date 11/13/2021
Updated by: Jesse Borke, MD, CPE, FAAEM, FACEP, Attending Physician at Kaiser Permanente, Orange County, CA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.