serologic survey for infectious pathogens in free-ranging american bison.from november 1991 through march 1992, we evaluated 101 free-ranging american bison (bison bison) from yellowstone national park, wyoming (usa) for exposure to infectious organisms that commonly infect cattle. no titers were detected for bluetongue virus, bovine leukemia virus, or campylobacter fetus in these 101 bison. detectable antibodies occurred against anaplasma marginale (eight of 76, 11%), bovine respiratory syncytial virus (31 of 101, 31%), bovine viral diarrhea (31 of 101, 31%), bovine ...19979131564
campylobacter enteritis from untreated water in the rocky mountains.during the summers of 1980 and 1981 campylobacter jejuni was isolated from 23% and giardia lamblia was isolated from 8% of persons with diarrheal disease acquired in the area of grand teton national park, wyoming. campylobacter enteritis occurred most frequently in young adults who had been hiking in wilderness areas and was significantly associated with drinking untreated surface water in the week before illness (p less than 0.02 in 1980; p less than 0.005 in 1981). penner serotype 4 was the co ...19836859722
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