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Infect Immun. 1973 May; 7(5): 805-808
Copyright © 1973 American Society for Microbiology. All Rights Reserved.
1 National Animal Disease Laboratory, North Central Region, Agricultural Research Service and Animal and Plant Health Inspection Service, Veterinary Services Diagnostic Laboratory, Ames, Iowa 50010
ABSTRACT
The allergic reactions of dermal induration and hyperthermia were compared in tuberculin-hypersensitive calves. Tuberculins prepared from Mycobacterium avium, M. bovis, and M. paratuberculosis were administered intradermally and the responses were compared. The indurations from immediate and delayed hypersensitivity reactions were readily distinguishable, but the hyperthermic responses appeared to contain elements of both immediate and delayed hypersensitivity.
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