title: Studies on bovine Breda virus.
abstract: Diarrheic feces from 21 calves were examined by electron microscopy and 16 contained particles morphologically similar to those of Breda virus. The particles were spherical or elongated, 60-270 nm in greatest dimension and had surface spikes 9-13 nm long. Convalescent serum from a human patient with Breda virus-associated diarrhea reacted with one of the bovine viruses by immune electron microscopy, suggesting a serological resemblance between human and bovine Breda-like viruses. Immune electron-microscopy and immunofluorescence demonstrated that isolates of bovine Breda virus from the U.S.A. were related to the French virus. One of the viruses had a density in sucrose solution of 1.16, similar to the value for Berne virus.
mesh_terms: D000818:Animals; D000956:Antigens, Viral / Q000276:immunology; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D003588:Cytopathogenic Effect, Viral; D003967:Diarrhea / Q000382:microbiology / Q000662:veterinary*; D005243:Feces / Q000382:microbiology; D005455:Fluorescent Antibody Technique; D006385:Hemagglutination Inhibition Tests; D006386:Hemagglutination Tests; D006801:Humans; D008854:Microscopy, Electron; D014780:Viruses / Q000254:growth & development / Q000276:immunology / Q000648:ultrastructure*
chemical_list: D000956:Antigens, Viral