| human psittacosis linked to a bird distributor in mississippi--massachusetts and tennessee, 1992. | during april-may 1992, cdc was notified of a possible outbreak of psittacosis involving members of two families in massachusetts and tennessee who had recently purchased birds as pets. in the subsequent investigation of this problem, human psittacosis was defined as a fourfold rise in complement-fixing antibody titer to > or = 32 or a single titer of > or = 32 in a patient with fever and/or respiratory symptoms. this report summarizes the investigation of this problem. | 1992 | 1406575 |
| infectious disease survey of lesser prairie chickens in north texas. | lesser prairie chicken (tympanuchus pallidicinctus) abundance, like that of most grassland birds, has declined rangewide for decades. although habitat loss and degradation are likely ultimate causes for this decline, infectious agents, particularly microparasites, could be proximate contributors. no surveys of pathogenic bacteria or viruses have been published for this species. we surveyed 24 free-living lesser prairie chickens from hemphill county, texas (usa), for evidence of exposure to salmo ... | 2002 | 12528454 |