| characterization of fort morgan virus, an alphavirus of the western equine encephalitis virus complex in an unusual ecosystem. | an alphavirus isolated from nestling cliff swallows (petrochelidon pyrrhonota) and house sparrows (passer domesticus) and from cimicid bugs (oeciacus vicarius) in eastern colorado, for which we propose the name fort morgan (fm) virus, is sensitive to the action of sodium deoxycholate, unstable at ph 2.0-4.0, and demonstrates no characteristics of temperature-sensitive mutants. unpassaged field strains are nonpathogenic, or of low pathogenicity, for suckling mice; however, plaque-purified fm viru ... | 1980 | 7446830 |