| seroprevalence of babesia ovis in sheep in catalonia, northeastern spain. | an indirect fluorescent antibody test (ifat) was developed in order to detect antibodies against babesia ovis in different sheep flocks from catalonia, northeastern spain. of the total 2174 sera included in the study, 133 (6.1%) were positive. considerable differences in seroprevalence were detected depending on the geographical areas from which the animals originated. this must have been a consequence of the presence or absence of the vector tick, rhipicephalus bursa, the distribution of which ... | 1998 | 9831951 |
| short report: isolation and identification of two spotted fever group rickettsial strains from patients in catalonia, spain. | two rickettsial strains, 16b (previously isolated) and fb1, were isolated from blood from patients with mediterranean spotted fever in catalonia, spain. these are the only 2 human rickettsial isolates of the spotted fever group obtained so far in spain. these strains were identified by the polymerase chain reaction and sequence analysis of a fragment of the outer membrane protein a (ompa) gene. the partial ompa sequence was found to be 100% identical with that of rickettsia conorii (malish 7 str ... | 2000 | 10761740 |
| phenotypic and genotypic characterization of spotted fever group rickettsiae isolated from catalan rhipicephalus sanguineus ticks. | eighty-nine rhipicephalus sanguineus ticks and 21 rhipicephalus bursa ticks collected in catalonia were tested by the hemolymph test to establish their infection rate with spotted fever group rickettsiae. by giménez staining, 11.2% of the r. sanguineus isolates and 0% of the r. bursa isolates were found to contain rickettsia-like organisms. six spotted fever group rickettsial strains (bar29, bar31, gir4, tar1, tar2, and tar3) were isolated from these ticks and were characterized by phenotypic an ... | 1996 | 8897166 |