Abstract
Summary
Different groups of bats (Eptesicus juscus) were exposed to the Lansing strain of poliomyelitis virus by the oral, intranasal, and intracerebral routes. Attempts were made to isolate the virus in cotton rats from suspensions of various tissues and feces of bats sacrificed on the 5th, 12th, 20th, and 30th days after exposure. Nine of the rats died or were paralyzed on the first passage. Four of these rats had been injected with bat feces and intestines, 3 with bat brains and cords, one with bat hearts, and one with bat kidneys and bladders. However, histopathological examinations showed no typical lesions of poliomyelitis, and attempts to produce symptoms in rats of the 2nd passage were unsuccessful.
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