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rabies surveillance in the united states during 1989.in 1989, 4,808 cases of rabies in animals other than human beings were reported to the centers for disease control, 1.8% more (4,724 to 4,808) than in 1988. eighty-eight percent (4,224/4,808) of those affected were wild animals and 12% (584/4,808) were domestic animals. cases were reported from 49 states, the district of columbia, and puerto rico; hawaii remained rabies-free. skunks (1,657) continued to be the most commonly reported rabid wild animal. for the second consecutive year, more cats ( ...19902276949
cutaneous leishmaniasis in two horses.this report contains the clinical, histologic, immunohistochemical, and electron microscopic findings in two cases of equine cutaneous leishmaniasis. nodular, sometimes crusty or ulcerated lesions were confined to the pinna and adjacent neck in both animals. the dermal inflammatory infiltrate was lymphohistiocytic in horse no. 1 and pyogranulomatous with formation of tuberculoid granulomas in horse no. 2. numerous leishmania organisms were found within macrophages in both animals. there was mode ...19968952039
virus characterization and sequence of the fusion protein gene cleavage site of recent newcastle disease virus field isolates from the southeastern united states and puerto rico.nine newcastle disease virus (ndv) isolates obtained from puerto rico, georgia, alabama, mississippi, and texas were analyzed for in vivo pathogenicity, biological properties (hemagglutination of mammalian erythrocytes), and for sequence variation at the amino acid and sense rna level of the fusion protein cleavage site. intracerebral pathogenicity index values ranged from 0 to 0.3 and the intravenous pathogenicity index obtained for all isolates was 0. four isolates hemagglutinated bovine eryth ...19968790890
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