Publications

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typing of yersinia pestis isolates from the state of ceará, brazil.to investigate whether modifications in yersinia pestis isolates from three plague foci from the state of ceará, brazil, had occurred over the years as a consequence of genetic adaptation to the environment.200212460441
[prevalence of antibodies against yersinia pestis in domestic carnivores, in plague foci in the state of ceará].the prevalence of antibodies against yersinia pestis in domestic carnivores (dogs and cats), in plague areas in the state of ceará, was analyzed to establish the importance of monitoring these animals within the routine practice of the plague control program. over the decade 1997-2006, 146,732 serum samples were examined (95,883 from dogs and 50,849 from cats), of which 2,629 (2,234 from dogs and 395 from cats) proved to be positive. the prevalence among dogs (85%) was higher than among cats (15 ...200920209360
[surveillance of plague in the state of ceará: 1990-1999].serological surveillance activities regarding the foci of plague in ceará state have detected a rising number of sentinel animals with antiplague antibodies in 1995, with a peak in 1997 demonstrating an increase in the plague bacteria activities throughout all the foci investigated. from a total of 110,725 serum samples collected from rodents (7,873) and domestic carnivores (102,852) analyzed by the hemaglutination technique (ha) for antibodies against f1 antigen of yersinia pestis 905 samples t ...200212011922
plague surveillance in brazil: 1983-1992.plague caused by yersinia pestis, has persisted in brazil in several natural foci spread throughout rural areas in the states of ceara, paraiba, pernambuco, piaui, rio grande do norte, alagoas, bahia, minas gerais and rio de janeiro. nationwide surveillance of plague in brazil based on serological testing started in 1983. we now present an update report of the examinations carried out in our laboratory from 1983 to 1992. the passive hemagglutination test for antibodies against fraction 1a antige ...19958731264
plague in brazil during two years of bacteriological and serological surveillance.in north-east brazil, where plague infection is endemic, bacteriological and serological methods were employed during a two-year period to determine accurately the occurrence of human infection and to define certain epidemiological features of both human and rodent infection. there were 67 confirmed cases of plague, predominantly among males and children. most of these cases occurred in two inland rural plateaux of ceara state. clustering of cases in place and time was common, as was a history o ...19816976228
[secular plague trend in ceará state, brazil].after its introduction into the state of ceará, brazil, in 1900, the plague was established in seven ecological complexes: chapada do araripe and the ibiapaba, baturité, machado, matas, pedra branca, and uruburetama mountains. these natural foci were monitored successively from 1935 to 2004 by the national health department, national plague service, national department of rural endemics, superintendency of public health campaigns, national health foundation, and finally by the national health su ...200717334584
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