As summer returns and people begin to spend more and more of their time outdoors, tick-borne illnesses like Rocky Mountain Spotted Fever are once again a major concern. According to the Centers for ...

Add Yahoo as a preferred source to see more of our stories on Google. Dr. Alex Carignan posted this photo of the rash from a patient with Quebec's first reported case of Rocky Mountain spotted fever ...

UC Davis Professor Janet Foley takes a blood sample from a dog in Mexico as part of Rocky Mountain spotted fever prevention efforts. (Oscar Zazueta, Harvard) Rocky Mountain spotted fever is a ...

INDIANAPOLIS, Indiana -- Tick-borne illnesses are once again a major concern this summer, especially after the death of a young girl in Indiana. The 2-year-old girl's death in early June was blamed on ...

Rocky Mountain spotted fever is the deadliest tick-borne disease in the U.S. It's been a persistent problem on some tribal lands in the Southwest, where residents are at particular risk, but the ...

New tick-borne bacteria discovered in dogs in the US, Rickettsia finnyi, is very similar to canine spotted fever.