| possible typhus-group infection in new york state: presentation of four suspect cases. | epidemiologic investigations were recently conducted on four cases which were reported in new york state in 1986 and 1987, three of which were within one family. these included hospital chart reviews, case or family interviews, animal trappings, and ectoparasite surveys. serologic tests and immunoblots were performed on blood samples obtained from these patients. all four patients had acute febrile illnesses; two required hospitalization and one died. microimmunofluorescence test results using r ... | 1990 | 2116104 |
| serologic testing for human granulocytic ehrlichiosis at a national referral center. | an indirect immunofluorescence assay (ifa) was used to identify patients with antibodies reactive to the human granulocytic ehrlichiosis (hge) agent. serum samples collected from clinically ill individuals were submitted to the centers for disease control and prevention by physicians via state health departments from throughout the united states and tested against a panel of ehrlichial and rickettsial pathogens. antibodies reactive to the hge agent were detected in 142 (8.9%) of 1,602 individual ... | 1999 | 9986812 |
| evidence of rodent-associated bartonella and rickettsia infections among intravenous drug users from central and east harlem, new york city. | we tested serum samples collected in 1997 and 1998 from a cohort of 204 injection drug users (idus) recruited from central and east harlem, new york city, new york, for antibodies reactive with seven rickettsial or bartonella spp. antigens. rodent-associated bartonella elizabethae and rickettsia akari were the primary etiologic agents of interest. the testing panel also included bartonella henselae, bartonella quintana, rickettsia prowazekii, rickettsia rickettsii, and rickettsia typhi. the high ... | 2001 | 11791987 |