See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Six people in California have reportedly caught a "severe and fatal" ...

The Rocky Mountain spotted fever (RMSF) epidemic that emerged in 2003 has hit American Indian communities in Arizona hardest. Estimated economic losses from the epidemic on two reservations have ...

Cutting-edge diagnostic method identifies severe cases of Rocky Mountain spotted fever in California children, highlighting the need for increased awareness and early treatment to prevent fatalities.

The Centers for Disease Control and Prevention issued a warning to residents for Rocky Mountain spotted fever after at least six people were infected at the California-Mexico border region over a ...