[epidemiological profile of rabies in the northwestern region of são paulo state, from 1993 to 2007].the epidemiology of animal rabies in the region of araçatuba, in the northwest of são paulo state, from 1993 to 2007, is described according to the results from diagnoses made at laboratories in the region, using the fluorescent antibody and mouse inoculation tests. out of 10,579 samples analyzed, 4.9% were positive (518/10,579). dogs accounted for 67% of the cases (346/518) and these occurred between 1993 and 1997. among the other positive samples, 16% (84/518) were in cattle and 9.7% (50/518) ...200919287928
first report of rabies in vampire bats (desmodus rotundus) in an urban area, ubatuba, são paulo state, brazil.the purpose of this report is to record the first case of a hematophagous bat (desmodus rotundus) infected with rabies virus in an urban area in brazil. to the authors' knowledge, this is the first such case in latin america. after discovering a bat in his garden at 10 o'clock in the morning, a resident of ubatuba municipality asked the zoonosis control center team to visit his home. the animal was caught alive on the same day and sent to the pasteur institute laboratory, where it was identified ...200718157407
[isolation of rabies virus in artibeus fimbriatus bat in the state of sao paulo, brazil].this is the first report of the isolation and identification of the rabies virus in the frugivorous bat artibeus fimbriatus in the city of sao josé do rio preto, sao paulo state, brazil. the virus was isolated from an animal found in an urban area. the animal was found on the ground under a tree, still alive. diagnosis was made by direct immunofluorescence and intracerebral inoculation of mice.200516113922
genealogical analyses of rabies virus strains from brazil based on n gene alleles.thirty rabies virus isolates from cows and vampire bats from different regions of são paulo state, southeastern brazil and three rabies vaccines were studied genetically. the analysis was based on direct sequencing of pcr-amplified products of 600 nucleotides coding for the amino terminus of nucleoprotein gene. the sequences were checked to verify their genealogical and evolutionary relationships and possible implication for health programmes. statistical data indicated that there were no signif ...200212113496
[isolation of rabies virus in molossus ater in (chiroptera: molossidae)in são paulo state, brazil].this is a report of rabies infection in insectivorous bat molossus ater in the city districts of araçatuba, penápolis and são josé do rio preto, in são paulo state, brazil. fluorescent antibody test detected the virus in the brain and isolation was obtained by intracerebral inoculation of mice with nervous tissue and organs suspension. there was no contact with humans or other animals.199910689381
rabies diagnosis and serology in bats from the state of são paulo, brazil.bats are one of the most important reservoirs and vectors of the rabies virus in the world.201121468481
[analysis of human anti-rabies post exposure treatment in the great area of sao paulo, brazil].the treatment of human beings with risk of exposure to rabies virus infection still presents some cases of undesirable post treatment reactions. the knowledge resulting from the regular analysis of the epidemiological features associated with these practices would minimize the occurrence of these troubles.199910457003
molecular epidemiological analysis of bat rabies viruses in brazil.a molecular epidemiological analysis was performed in 19 rabies viruses (rvs) isolated from haematophagous, frugivorous and insectivorous bats, in sao paulo, brazil. the authors carried out rt-pcr for amplification of the rv nucleoprotein (n) gene, and determined 1,335 nucleotide sequences of n gene by direct sequencing method. phylogenetic analysis, which was based on the n gene of brazilian rv isolates identified presently and previously, revealed that rvs isolated from bats were genetically d ...200516082111
characterization of rabies virus isolated from a colony of eptesicus furinalis bats in brazil.some bat species have adapted to the expanding human population by acquiring the ability to roost in urban buildings, increasing the exposure risk for people and domestic animals, and consequently, the likelihood of transmitting rabies. three dead bats were found in the yard of a house in an urban area of jundiaí city in the state of são paulo in southeast brazil. two of the three bats tested positive for rabies, using fluorescent antibody and mouse inoculation techniques. a large colony of epte ...201121412617
bat rabies in the north-northwestern regions of the state of são paulo, brazil: 1997-2002.reports on bat rabies in brazil are sporadic and isolated. this study aimed at describing the detection of rabies virus in bats in the state of são paulo.200617173166
antigenic and genetic characterization of the first rabies virus isolated from the bat eumops perotis in brazil.although the main transmitters of rabies in brazil are dogs and vampire bats, the role of other species such as insectivorous and frugivorous bats deserves special attention, as the rabies virus has been isolated from 36 bat species. this study describes the first isolation of the rabies virus from the insectivorous bat eumops perotis. the infected animal was found in the city of ribeirão preto, são paulo. the virus was identified by immunofluorescence antibody test (fat) in central nervous syst ...200818488088
[rabies virus in naturally infected bats in the state of são paulo, southeastern brazil].to identify the species of bats involved in maintaining the rabies cycle; to investigate the distribution of the rabies virus in the tissues and organs of bats and the time taken for mortality among inoculated mice.200717515992
first report of rabies infection in bats, molossus molossus, molossops neglectus and myotis riparius in the city of são paulo, state of são paulo, southeastern brazil.this paper presents the first report of rabies in three bat species, molossus molossus, molossops neglectus and myotis riparius in the city of são paulo, brazil.201121503551
genetic characterization of rabies virus isolated from bovines and equines between 2007 and 2008, in the states of são paulo and minas gerais.rabies is an acute disease of the central nervous system and is responsible for the deaths of thousands of humans, wild animals and livestock, particularly cattle, as well as causing major economic losses. this study describes the genetic characterization of rabies virus variants that circulate in desmodus rotundus populations and are transmitted to herbivores.201020464137
potential force of infection of human rabies transmitted by vampire bats in the amazonian region of brazil.human rabies transmitted by bats has acquired greater epidemiologic relevance in various latin american countries, just when cases transmitted by dogs have decreased. concern has been heightened by reports of increased rates of bats biting humans in villages in the amazonian region of brazil. the aim of the present work was to estimate the potential force of infection (per capita rate at which susceptible individuals acquire infection) of human rabies transmitted by the common vampire bat if the ...19969025698
molecular characterization of rabies virus isolated from non-haematophagous bats in brazil.rabies is an important zoonosis that causes thousands of deaths worldwide each year. although the terrestrial cycle, mainly transmitted by dogs, is controlled in brazil, the aerial cycle remains a serious public health issue, besides the economic problem. in the aerial cycle, the haematophagous bat desmodus rotundus is the main source of infection, where several different species of non-haematophagous bats can be infected and can transmit the virus.201122231241
neutralizing antirabies antibodies in urban terrestrial wildlife in brazil.the prevalence of rabies neutralizing antibodies (na) in sera of wild animals from são paulo city (brazil) was investigated using the rapid fluorescent focus inhibition test between 1994 and 1997. sera from 547 specimens were examined. marsupials represented 45% of the sample and primates 37%; carnivores, rodents, deer and edentates represented 6, 6, 3 and 2%, respectively. the overall prevalence of na was 14%. the prevalence of na was 18% in primates; whereas in marsupials, carnivores, edentate ...200111310897
[various epidemiologic aspects of human exposure to the risk of infection by rabies virus in são paulo, brazil]. 19705535342
rabies seroprevalence of street dogs from são paulo city, brazil.a sample of 602 street dogs captured by the são paulo zoonosis-control municipal service was analyzed for the presence of serum antibodies against the rabies virus and compared to a control sample of 37 dogs from the kennel of the police of são paulo. data were stratified into 4 age intervals and the age from the street-dog sample was estimated by general aspects and dental observation according to standard techniques. we assumed that seropositivity was due to previous vaccination (no sub-clinic ...200010760397
studies on human anti-rabies immunization in brazil. i--evaluation of the 3 + 1 pre-exposure vaccination schedule under field conditions.the currently used pre-exposure anti-rabies immunization schedule in brazil is the one called 3+1, employing suckling mouse brain vaccine (3 doses on alternate days and the last one on day 30). although satisfactory results were obtained in well controlled experimental groups using this immunization schedule, in our routine practice, vna levels lower than 0.5 iu/ml are frequently found. we studied the pre-exposure 3+1 schedule under field conditions in different cities on the state of são paulo, ...19958599065
[the bats and rabies in the western region of the state of são paulo, brazil.]introduction: the polo da alta sorocabana laboratory in presidente prudente, sp, in partnership with other research institutions, conducted studies related to bats from the western region of the state of sao paulo, brazil. thus, certain situations were investigated, including: a) isolation of the rabies virus from 2006 to 2008; b) identification of respective antigenic variants; and c) characterization of daytime shelters of desmodus rotundus vampire bats. methods: samples for examination origin ...201121556491
effect of a booster-dose of rabies vaccine on the duration of virus neutralizing antibody titers in bovines.humoral immune response using inactivated rabies vaccine was studied in 35 nelore cross-bred bovines of western region of são paulo state. ninety days after vaccination, 13 (92.8%) animals presented titers > or = 0.5 iu/ml, through mouse neutralization test. after 180 days, 9 (64.3%) sera showed titers > or = 0.5 iu/ml, after 270 days, only one (7.1%) showed a titer of 0.51 iu/ml, and after 360 days, all animals showed titers < 0.5 iu/ml. group of animals receiving booster dose 30 days after vac ...19989662964
[isolation of rabies virus from brain, salivary and interscapular glands, heart, lungs and testis of the bat desmodus rotundus, in the state of são paulo (author's transl)].rabies virus was isolated from the brain, salivary and interscapular (brown fat) glands, heart, lungs and testis of naturally infected vampire bat desmodus rotundus found paralyzed in the day at barueri, são paulo state. the rabies virus isolations were made by intracerebral inoculation in 4-5 days and 30 days old mice. the virus strain was identified as rabies virus by the sellers and faraco (mann) techniques, the fluorescent antibody test and intracerebral inoculation of mice. the isolation of ...19751236047
genetic characterization of rabies virus isolated from cattle between 1997 and 2002 in an epizootic area in the state of são paulo, brazil.the biogeographical history of rabies can be reconstructed using molecular data. this work describes the genetic characterization of the rabies virus variant that circulates in the desmodus rotundus (vampire bat) population in an epizootic area and is transmitted to herbivorous livestock. the n and g genes of this virus were sequenced, and the phylogenetic trees generated were topologically concordant. three genetic clusters were identified in the epizootic area and were designated rd1, rd2 and ...200919442690
[Risk model to assess livestock rabies exposure in the state of São Paulo, Brazil].To propose a qualitative risk assessment model for the study of livestock exposure to rabies virus from the vampire bat Desmodus rotundus (antigenic variant 3) in the Paraíba do Sul river valley, state of São Paulo, Brazil.201122124696
[isolation of rabies virus from an insectivorous bat molossus obscurus (geoffroy, 1805), in the state of são paulo (author's transl)].rabies virus was isolated from insectivorous bat molossus obscurus found in a semi-paralyzed condition, in broad daylight, in campinas, são paulo state. suckling and adult mice inoculated intracerebrally with a 20% suspension of bat brain showed typical rabies symptoms within eight days. the mortality of inoculated mice was 100%. negri bodies were seen in the brains of infected mice by sellers and fraco's methods. rabies antigens was found in the brains of inoculated mice by fluorescent antibodi ...19751236049
[laboratory diagnosis of rabies in the west region of são paulo state].the pólo da alta sorocabana laboratory, presidente prudente, sp, brazil, and the biological institute in são paulo state, performed an evaluation of rabies diagnosis from 1996 to 2003 in the west region of são paulo state. for the tests, the laboratories used direct immunofluorescence and mice inoculation in 4,950 samples, that were sent for analysis involving dogs, cats, cattle, chiroptera (bats) and other animals. according to the results, the laboratories found 74 positive samples; of which 5 ...200616410925
[isolation of the rabies virus from vampire bats in the state of são paulo, brazil]. 19664222504
assessing the rabies control and surveillance systems in brazil: an experience of measures toward bats after the halt of massive vaccination of dogs and cats in campinas, sao paulo.bats are less vulnerable to forest fragmentation than any other mammal, and for that reason, some species can disperse to peri-urban or urban areas. insectivorous bats are abundant in urban areas due to the density of artificial roosts and insects attracted by city lights. inter-species transmission of the rabies virus between bats can occur, and this is the most probable mechanism of virus circulation in bat populations. bats can also transmit the rabies virus to other mammal species, like dogs ...201323597620
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