Cluster of Sylvatic Epidemic Typhus Cases Associated with Flying Squirrels, 2004–2006
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CME ACTIVITY: Cluster of Sylvatic Epidemic Typhus Cases Associated with Flying Squirrels, 2004–2006
In February 2006, a diagnosis of sylvatic epidemic typhus in a counselor at a wilderness camp in Pennsylvania prompted a retrospective investigation. From January 2004 through January 2006, 3 more cases were identified. All had been counselors at the camp and had experienced febrile illness with myalgia, chills, and sweats; 2 had been hospitalized. All patients had slept in the same cabin and r...
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Typhus fever has occurred globally as epidemic and endemic disorders. In 1910, Brill reported a typhus-like illness which Zinsser and others determined to be recurrent epidemic typhus fever. Maxcy, in 1926, proposed rodents and fleas as reservoir and vector, respectively, of endemic typhus, which Dyer confirmed in 1930. Animals experimentally infected with epidemic typhus (Rickettsia prowazeki)...
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The DNA from flying squirrel-associated Rickettsia prowazekii was characterized by using a specific DNA fragment produced by digestion with the enzyme BamHI. The DNA fragment was cloned into a plasmid vector and used to readily distinguish between available human- and flying squirrel-associated R. prowazekii DNAs derived from crude cytoplasmic extracts.
متن کاملUltrasonic Vocalizations Emitted by Flying Squirrels
Anecdotal reports of ultrasound use by flying squirrels have existed for decades, yet there has been little detailed analysis of their vocalizations. Here we demonstrate that two species of flying squirrel emit ultrasonic vocalizations. We recorded vocalizations from northern (Glaucomys sabrinus) and southern (G. volans) flying squirrels calling in both the laboratory and at a field site in cen...
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ژورنال
عنوان ژورنال: Emerging Infectious Diseases
سال: 2009
ISSN: 1080-6040,1080-6059
DOI: 10.3201/eid1507.081305