Early residents of the Bitterroot Valley called the disease “black measles”, “blue disease”, “black typhus”, or just “fever.” RMSF appeared in the valley after the slope had been cleared of trees for timber to make railway ties for the Northern Pacific Railroad, leaving the perfect environment for ticks. In 1902, the state of Montana asked scientists to investigate the mysterious disease. In less than 22 years, researchers identified what caused the disease, how it was transmitted to humans, and created a life-saving vaccine. This was nearly a miracle in an age with little knowledge of virology microbiology and only basic technology.
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This drawing shows the spotted fever rash on a leg. It was drawn in 1903 by Dr. John F. Anderson when he became one of the first scientists to investigate Rocky Mountain spotted fever in Montana. Anderson was a U.S. Public Health Service officer assigned to the Hygienic Laboratory, which later became the National Institutes of Health.
Image: Office of NIH History and Stetten Museum, 1533-1
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We’ve Infectious disease research has come a long way in the 100 years since the Canyon Creek Schoolhouse became a laboratory to study Rocky Mountain spotted fever. Today the Rocky Mountain Laboratories inhabit an entire campus where scientists conduct basic research on tick-borne diseases such as Lyme disease, as well as prion diseases, antibiotic-resistant bacteria, Ebola, and coronavirus diseases like SARS, MERS, and COVID-19. Visit more of this online history to learn about the people and their work 100 years ago at the Canyon Creek Schoolhouse laboratory.
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The Rocky Mountain Laboratories campus is snuggled in the valley below Downing Mountain in 2017.