serological survey for diseases in free-ranging coyotes (canis latrans) in yellowstone national park, wyoming.from october 1989 to june 1993, we captured and sampled 110 coyotes (canis latrans) for various diseases in yellowstone national park, wyoming (usa). prevalence of antibodies against canine parvovirus (cpv) was 100% for adults (> 24 months old), 100% for yearlings (12 to 24 months old), and 100% for old pups (4 to 12 months old); 0% of the young pups (< 3 months old) had antibodies against cpv. presence of antibodies against canine distemper virus (cdv) was associated with the age of the coyote, ...19979027690
serologic survey for selected infectious disease agents in swift and kit foxes from the western united states.a serologic survey of swift fox (vulpes velox) and kit fox (v. macrotis) from the western usa was conducted for 12 infectious diseases. samples from swift fox were collected between 1987 and 1992 from colorado (n = 44), kansas (n = 10), and wyoming (n = 9). samples from kit fox were collected in california (n = 86), new mexico (n = 18), utah (n = 9), and arizona (n = 6). overall antibody prevalence rates were 33 of 110 (30%) for canine parvovirus (cpv), 9 of 72 (13%) for canine distemper virus ( ...200011085448
notes from the field: increase in human cases of tularemia--colorado, nebraska, south dakota, and wyoming, january-september 2015.tularemia is a rare, often serious disease caused by a gram-negative coccobacillus, francisella tularensis, which infects humans and animals in the northern hemisphere. approximately 125 cases have been reported annually in the united states during the last two decades. as of september 30, a total of 100 tularemia cases were reported in 2015 among residents of colorado (n = 43), nebraska (n = 21), south dakota (n = 20), and wyoming (n = 16) (figure). this represents a substantial increase in the ...201526632662
tularemia in range sheep: an overlooked syndrome?abortion and death caused by francisella tularensis were well recognized in range flocks of domestic sheep in idaho, montana, and wyoming in the first 6 decades of the 20th century. the current report describes 4 episodes of tularemia in 3 range flocks in wyoming and south dakota in 1997 and 2007 (1 flock was affected twice). flock owners reported that ticks were unusually numerous and commonly present on sheep during outbreaks. tularemia presented as late-term abortions (3 episodes) or listless ...200818599860
tularemia transmitted by insect bites--wyoming, 2001-2003.tularemia is a zoonotic disease caused by francisella tularensis, a fastidious, gram-negative coccobacillus that infects vertebrates, especially rabbits and rodents. in humans, tularemia is classified into six major syndromes: ulceroglandular (the most common form), glandular, typhoidal, oculoglandular, oropharyngeal, and pneumonic. the case-fatality rate among humans can reach 30%-60% in untreated typhoidal cases. although bites from ticks and handling infected animals are considered the most c ...200515729218
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