The Ecology of Colorado Tick Fever in Rocky Mountain National Park in 1974

Gs, Bowen; Rg, McLean; Rb, Shriner; Db, Francy; Pokorny, KS; Jm, Trimble; Ra, Bolin; Am, Barnes; Calisher, C. H.; Dj, Muth

doi:10.4269/ajtmh.1981.30.490

Cited by 25 publications

(7 citation statements)

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“…Field studies in small mammals in the Rocky Mountains, USA established that Eutamias minimus and Spermophilus lateralis were the most important hosts for CTFV and were the source of virus for immature stages of the tick vector, Dermacentor andersoni (Bowen et al 1981;Carey et al 1980). Also porcupines (also a member of the Rodentia) are an important host (McLean et al 1993).…”

Section: Colorado Tick Fevermentioning

confidence: 98%

Rodent-borne diseases and their risks for public health

Meerburg¹,

Singleton²,

Kijlstra³

2009

Critical Reviews in Microbiology

812

722

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Rodents are the most abundant and diversified order of living mammals in the world. Already since the Middle Ages we know that they can contribute to human disease, as black rats were associated with distribution of plague. However, also in modern times rodents form a threat for public health. In this review article a large number of pathogens that are directly or indirectly transmitted by rodents are described. Moreover, a simplified rodent disease model is discussed.

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Section: Colorado Tick Fevermentioning

confidence: 98%

Rodent-borne diseases and their risks for public health

Meerburg¹,

Singleton²,

Kijlstra³

2009

Critical Reviews in Microbiology

812

722

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“…CTFV primarily cycles between multiple species of rodents and Rocky Mountain wood ticks [40,41]. CTFV causes symptomatic illnesses in all cases and occurring exclusively in the western parts of the USA and Canada [42].…”

Section: Epidemiology Of Encephalitic Arbovirusesmentioning

confidence: 99%

Encephalitic Arboviruses: Emergence, Clinical Presentation, and Neuropathogenesis

2016

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Arboviruses are arthropod-borne viruses that exhibit worldwide distribution, contributing to systemic and neurologic infections in a variety of geographical locations. Arboviruses are transmitted to vertebral hosts during blood feedings by mosquitoes, ticks, biting flies, mites, and nits. While the majority of arboviral infections do not lead to neuroinvasive forms of disease, they are among the most severe infectious risks to the health of the human central nervous system. The neurologic diseases caused by arboviruses include meningitis, encephalitis, myelitis, encephalomyelitis, neuritis, and myositis in which virus-and immune-mediated injury may lead to severe, persisting neurologic deficits or death. Here we will review the major families of emerging arboviruses that cause neurologic infections, their neuropathogenesis and host neuroimmunologic responses, and current strategies for treatment and prevention of neurologic infections they cause.

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“…This produced 16, 10, and 7 records, respectively, with information from U.S. national parks or other types of NPS units and potential relevance to tick-borne diseases, mosquito-borne diseases, or ßea-borne diseases (i.e., plague in the western United States). Six of the 16 tick-related records addressed the Rocky Mountain wood tick in Rocky Mountain National Park, including studies on the ecology of Colorado tick fever virus during an outbreak of Colorado tick fever among park visitors in the early 1970s (Carey et al 1980;Bowen et al 1981;McLean et al 1981McLean et al , 1989McLean et al , 1993a) and a recent study on the tickÕs life history . Other studies dealt with outbreaks of relapsing fever in Grand Canyon National Park (Boyer et al 1977, Paul et al 2002, the life history of the blacklegged tick in Morristown National Historical Park or along the Appalachian Trail Smith 1997, 1998;Oliver and Howard 1998), tick-host-pathogen associations on Cape Hatteras National Seashore and Assateague Island National Seashore (Oliver et al 1999), surveys for ticks and tick-borne pathogens in Yosemite National Park (Schwan et al 1993, Fleer et al 2011, and surveys for ectoparasites on vertebrates in Big South Fork National River and Recreation Area and Great Smoky Mountains National Park (Reeves et al 2007, Parker et al 2009).…”

Section: Existing Information For Vectors and Vector-bornementioning

confidence: 99%

What is the Risk for Exposure to Vector-Borne Pathogens in United States National Parks?

Eisen¹,

Wong²,

Shelus³

et al. 2013

jnl. med. entom.

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United States national parks attract Ͼ275 million visitors annually and collectively present risk of exposure for staff and visitors to a wide range of arthropod vector species (most notably ßeas, mosquitoes, and ticks) and their associated bacterial, protozoan, or viral pathogens. We assessed the current state of knowledge for risk of exposure to vector-borne pathogens in national parks through a review of relevant literature, including internal National Park Service documents and organismal databases. We conclude that, because of lack of systematic surveillance for vector-borne pathogens in national parks, the risk of pathogen exposure for staff and visitors is unclear. Existing data for vectors within national parks were not based on systematic collections and rarely include evaluation for pathogen infection. Extrapolation of human-based surveillance data from neighboring communities likely provides inaccurate estimates for national parks because landscape differences impact transmission of vector-borne pathogens and human-vector contact rates likely differ inside versus outside the parks because of differences in activities or behaviors. Vector-based pathogen surveillance holds promise to deÞne when and where within national parks the risk of exposure to infected vectors is elevated. A pilot effort, including 5Ð10 strategic national parks, would greatly improve our understanding of the scope and magnitude of vector-borne pathogen transmission in these high-use public settings. Such efforts also will support messaging to promote personal protection measures and inform park visitors and staff of their responsibility for personal protection, which the National Park Service preservation mission dictates as the core strategy to reduce exposure to vector-borne pathogens in national parks.

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The Ecology of Colorado Tick Fever in Rocky Mountain National Park in 1974

Cited by 25 publications

References 0 publications

Rodent-borne diseases and their risks for public health

Rodent-borne diseases and their risks for public health

Encephalitic Arboviruses: Emergence, Clinical Presentation, and Neuropathogenesis

What is the Risk for Exposure to Vector-Borne Pathogens in United States National Parks?

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