| 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 |
| arbovirus surveillance in northern colorado, 1987 and 1991. | arbovirus surveillance was conducted during an epizootic of western equine encephalitis (wee) during 1987 and during a nonepizootic year, 1991, in the same area in northern colorado. mosquitoes were collected in larimer county, co, during weeks 33-37 (10 august to 7 september) in 1987 and during weeks 26-35 (24 june to 26 august) in 1991. in total, 13,099 mosquitoes in 694 pools collected during 1987 and 8,672 mosquitoes in 242 pools collected during 1991 were tested for virus. wee virus was iso ... | 1993 | 8433334 |