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Early map of the Bitterroot valley. Area in red shows where spotted fever infection occurred
Although the construction of the first building of The Rocky Mountain Labs was completed in 1928, RML evolved as a result of research on Rocky Mountain spotted fever that began around 1900, in the Bitterroot Valley of Western Montana. Early settlers of the valley were plagued with a deadly disease of unknown origin that seemed to be concentrated on the west side of the Bitterroot River.
The “black measles” rash characteristic of later stages of spotted fever infection.
Montana had been granted statehood in 1889, and in 1901, the Montana State Board of Health was created. Its first priority was to bring health scientists to the Bitterroot Valley to investigate the cause, treatment and prevention of spotted fever. During the next three decades a memorable cast of characters was engaged in a drama that provided an interesting chapter in the annals of medical history.
Howard Taylor Ricketts, 1871-1910. Ricketts identified the causative agent of Rocky Mountain spotted fever.
Among the first was Dr. Howard Ricketts, a young pathologist from the University of Chicago, who in 1906, showed that the disease was transmitted by the bite of the Rocky Mountain wood tick (Dermacentor andersoni). Returning each summer to continue his work, by 1909, he had isolated the bacterial organism that was responsible for spotted fever, and that organism was later named Rickettsia rickettsii in his honor.
A state budget shortage made it questionable whether Montana could continue to fund Ricketts' research during the summer of 1910. Because of the uncertainty, he accepted funding to work on a typhus outbreak in Mexico City. Shortly before his work there was concluded, Ricketts himself contracted typhus and died soon after.
1910. Researchers and the cook pose in front of the cabin that had been dubbed “Camp Venustus.” Clarence Birdseye of the U.S. Biological Survey stands in the doorway.
Clarence Birdseye was another interesting character to play a role in spotted fever research in the Bitterroot Valley. As part of an effort to understand the life cycle of the wood tick, Birdseye, a college student working for the US Biological Survey, spent the spring and early summer of 1910 shooting and trapping wild game and rodents to collect ticks. Reportedly, he bagged 717 small animals and collected nearly 4,500 ticks. After his work in Montana, Birdseye went to Labrador where he developed the concept of frozen foods and later established the company that bears his name.
In the years that followed, a number of state and federally funded researchers continued their investigations of spotted fever. The Montana State Board of Entomology under the direction of Dr. Robert Cooley developed a tick eradication program. Dipping vats were placed at several locations throughout the valley and ranchers were encouraged (by threat of quarantine) to drive their herds to the nearest station so that the cattle could swim through a trough of arsenic solution. However, preparing an arsenic solution strong enough to be effective, but not so strong as to burn the hides and udders of cattle, was accomplished by trial and error. This situation bolstered the resentment among local ranchers who already harbored a healthy distrust of government-imposed programs. In addition, two young brothers who had been helping at a dipping station on their family ranch both contracted the infection and died.
In June 1913, matters came to a head when the vat located near Florence was destroyed by dynamite and one outside of Hamilton was damaged with sledgehammers.
Dr. Roscoe Spencer, primarily responsible for the Spencer-Parker tick tissue vaccine.
Despite local hostility, work on spotted fever continued on several fronts. Within a few years Drs. Roscoe Spencer and Ralph Parker produced the first effective vaccine against the disease by emulsifying infected tick tissue and inactivating the rickettsiae with phenol.
The early facilities in which spotted fever research was conducted were makeshift at best. Ricketts worked in tents set up in the yard of the Northern Pacific Hospital north of the valley in Missoula.
Dr. Ralph Parker served as Director of the Rocky Mountain Labs from 1930, until his death in 1949.
This deserted farmhouse in the Bitterroot foothills was rented in the spring of 1910, and converted to a laboratory for tick research. In 1909, several people in the vicinity had died of spotted fever.
Progress had been made toward controlling spotted fever, but much more awaited. In 1926, the Board of Entomology asked the state legislature to provide enough money to build a modern entomological laboratory. In the spring of 1927, the legislature appropriated $60,000 for the new building and a site in the town of Hamilton was chosen.
The woodshed used by Dr. Ralph Parker to perform tick research during the summer of 1920.
By this time, local sentiment toward medical investigators had softened considerably, but pockets of fear and distrust remained. Each spring newspapers reported new cases of the illness. While the annual number of deaths from spotted fever had fallen significantly from the record high of 17 in 1901, every year more victims succumbed to the disease. In addition, during the previous 16 years, 5 laboratory workers had become infected and perished.
When news hit the valley that a new laboratory would be built in Hamilton, a group of citizens immediately formed a coalition in opposition and it became clear that the facility would not be built without a fight. Unlike previous workstations, this site lay east of the river that bisects the valley.
Laboratory facilities at Victor, Montana, used from 1911-1916.
The "schoolhouse lab" where Spencer and Parker produced the first effective vaccine against spotted fever. Extensively renovated over the years, this building has served as a museum and is currently the Hamilton Playhouse on Ricketts Road.
The building was completed in early 1928. It provided space for the state-administered control programs and rented space to the Public Health Service for Dr. Parker and his colleagues to continue research and vaccine production. By 1930, the laboratory employed four professionals and 22 support staff. In that year Parker was appointed scientific director, a role he continued in for the next 19 years. In February of 1932, the federal government purchased the facility from the state of Montana for $68,757 and several of the Board of Entomology employees were transferred to the Public Health Service.
Building 1 of the current RML campus was completed in 1928. Citizens filed an unsuccessful lawsuit to stop construction.
In 1937, RML became part of the National Institute of Health. During World War II, the laboratory joined in the war effort by becoming a "national vaccine factory," producing vaccines to protect soldiers against spotted fever, typhus, and yellow fever. After the war, work at the lab returned to its primary mission of basic scientific research of infectious diseases. In 1948, the National Institute of Health was reorganized, and RML became part of what is now called the National Institute of Allergy and Infectious Diseases (NIAID).
Today, scientists at RML investigate a wide variety of infectious diseases. Supported by state-of-the-art genomics and electron microscopy units, current research includes the study of chronic wasting disease, chlamydia, Q-fever, tularemia, Salmonella, Staphylococcus, Lyme disease, relapsing fever, and plague. An Integrated Research Facility with maximum-containment laboratories allows scientists to use advanced technology in their quest to protect people from the emerging infectious diseases.
Three interesting reads on the story of early spotted fever research and the origins of the Rocky Mountain Laboratories are: Fighting Spotted Fever In the Rockies by Ester Gaskins Price, Naegele Printing Company, 1947; Rocky Mountain Spotted Fever, History of a Twentieth-Century Disease by Victoria A. Harden, Johns Hopkins University Press, 1990; Rocky Mountain Spotted Fever in Western Montana, Anatomy of a Pestilence by Robert N. Philip, Stoneydale Press, 2000.
Rocky Mountain Laboratories, NIAID, is a component of the National Institutes of Health (NIH). NIAID conducts and supports research—at NIH, throughout the United States, and worldwide—to study the causes of infectious and immune-mediated diseases, and to develop better means of preventing, diagnosing and treating these illnesses. News releases, fact sheets, and other NIAID-related materials are available on the NIAID website.
NIH, the nation's medical research agency, includes 27 Institutes and Centers and is a component of the U.S. Department of Health and Human Services. NIH is the primary federal agency conducting and supporting basic, clinical, and translational medical research, and is investigating the causes, treatments, and cures for both common and rare diseases. Visit NIH for more information about its programs.
Last Updated January 29, 2013