the threat of reintroduction of natural transmission of chagas' disease in bambuí, minas gerais state, brazil, due to panstrongylus megistus. | in the epidemiological surveillance program in the county of bambuí, minas gerais, between august 1986 and december 1988, 154 panstrongylus megistus were captured by the local population in both peridomicile and intradomicile environments. fifteen (9.8%) of the p. megistus harboured trypanosoma cruzi. precipitin tests showed that the most frequent triatomine blood meal sources were birds, but other sources were dogs, men and cats. the isoenzyme characterization of 13 t. cruzi strains showed that ... | 1992 | 1308572 |
[prevalence of vampirolepis nana in belo horizonte, mg (brazil) with special reference to an isolated focus (cestoda, hymenolepitidae)]. | | 1968 | 5750210 |
[epidemiology of toxoplasma gondii infection in the municipality of ribeirâo das neves, mg. i. importance of domestic animals as sources of t. gondii infection in humans]. | during a six month period (june 1983 to january 1984), a case-control study was carried out to determine if the variables associated with domestic animals contact would be correlated with the prevalence of toxoplasma gondii infection. a randomized sample of 500 subjects from the population of ribeirão das neves, minas gerais, brazil was studied. a statistically significant correlation was found with cat, chicken and pig contact but none with consumption of meat, milk and eggs. | 1995 | 7480915 |
toxoplasmosis and mental retardation--report of a case-control study. | a case-control study evaluating the association between mental retardation and toxoplasmosis was conducted among 845 school children in belo horizonte, mg, brazil. cases (450) were mentally retarded children attending a public school for special education. controls (395) were children from the regular public school system. clinical and anthropometric examinations and interviews were carried out to determine risk factors for toxoplasmosis and mental retardation. diagnosis of toxoplasma gondii inf ... | 1993 | 8107587 |
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 ... | 1995 | 8731264 |
natural infection of a domestic cat (felis domesticus) with leishmania (viannia) in the metropolitan region of belo horizonte, state of minas gerais, brazil. | | 1996 | 8734945 |
[human rabies transmitted by dogs: risk areas in minas gerais, brazil, 1991-1999]. | a retrospective study based on observation with the objective of identifying and characterizing the different risk areas for rabies transmission by dogs took place in minas gerais state, brazil, from 1991 to 1999. indicators confirmed occurrences of canine and feline rabies, notification of human rabies, and administration of appropriate vaccination. the minas gerais state health system is divided into 25 regional health centers, which are linked to the state health department (ses-mg). these he ... | 2003 | 12700787 |
[characterization of rickettsia spp. circulating in a silent peri-urban focus for brazilian spotted fever in caratinga, minas gerais, brazil]. | the present study was intended to characterize rickettsia spp. circulating in arthropod vectors in caratinga, minas gerais, brazil, by pcr and to investigate the presence of antibodies against the spotted fever rickettsiae group (sfrg) in dogs and horses. 2,610 arthropods were collected and taxonomically identified. dna samples obtained from these vectors were submitted to pcr and cycle-sequenced. ctenocephalides and amblyomma cajennense showed sequences presenting 100.0% homology with r. felis. ... | 2006 | 16583093 |
frequency and risk factors for toxocariasis in children from a pediatric outpatient center in southeastern brazil. | to estimate the frequency of anti-toxocara sp. antibodies, and evaluate factors associated with this infection, sera from 242 male and female children, aged from one to fifteen years old, attended at the hospital of the federal university of uberlândia, minas gerais state, brazil, were analyzed by elisa. information on the patients was collected and registered using an investigative questionnaire, and details on possible clinical alterations were obtained from the medical charts of 187 patients. ... | 2006 | 17086311 |
revisiting brazilian spotted fever focus of caratinga, minas gerais state, brazil. | we revisited a brazilian spotted fever focal area in minas gerais state, brazil, in 2002, and performed a serologic survey in dogs and cats. the results of this survey are compared with the survey made 10 years before. the possible efficacy of vector control measures adopted in this area and the role of dogs and horses as sentinels of infection by rickettsia are discussed. | 2006 | 17114717 |
feline immunodeficiency virus subtype b in domestic cats in minas gerais, brazil. | | 2006 | 17139547 |
[evaluation of prenatal screening for toxoplasmosis in belo horizonte, minas gerais state, brazil: a cross-sectional study of postpartum women in two maternity hospitals]. | this cross-sectional study of 420 women in two public maternity hospitals from august 2004 to may 2005 evaluated the application of a prenatal toxoplasmosis serological screening protocol in belo horizonte, minas gerais state, brazil, and the information provided to susceptible pregnant women. ninety-eight percent of women received prenatal care and 97% underwent the initial serological screening test, at an average of 16 weeks gestational age. the initial testing identified 163 women as suscept ... | 2008 | 18278286 |
[analysis on the food source of panstrongylus megistus (hemiptera, reduviidae, triatominae) and its present importance as a vector for trypanosoma cruzi, in the state of minas gerais]. | investigation of the food source of triatomines helps in understanding the biology of these insects, and also helps to infer their importance in transmitting trypanosoma cruzi to humans. | 2010 | 20464139 |
first report of infection of lutzomyia longipalpis by leishmania (leishmania) infantum from a naturally infected cat of brazil. | in recent years, cases of feline visceral leishmaniasis (fvl) have been described in different countries. in urban areas, domestic cats are suggested as possible alternative reservoirs of leishmania (l.) infantum, the causal agent of visceral leishmaniasis (vl). this paper reports the first case of infection of lutzomyia longipalpis by l. infantum of a naturally infected cat from brazil through xenodiagnosis. the presence of a cat with fvl and its infectivity to the natural vector in belo horizo ... | 2010 | 20832944 |
molecular characterization of adenoviruses from children presenting with acute respiratory disease in uberlândia, minas gerais, brazil, and detection of an isolate genetically related to feline adenovirus. | human adenoviruses (hadv) are a major cause of acute respiratory diseases (ard), gastroenteritis, conjunctivitis and urinary infections. between november 2000-april 2007, a total of 468 nasopharyngeal aspirate samples were collected from children with ard at the clinics hospital of uberlândia. these samples were tested by immunofluorescence assay (ifa) and 3% (14/468) tested positive for the presence of hadv. by performing polymerase chain reaction (pcr) to detect hadv dna in samples that tested ... | 2010 | 20835622 |
adverse socioeconomic conditions and oocyst-related factors are associated with congenital toxoplasmosis in a population-based study in minas gerais, brazil. | congenital toxoplasmosis is a public health problem in brazil. this study aimed to determine risk factors associated with congenital toxoplasmosis in minas gerais which is the second largest brazilian state based on number of inhabitants, and its territorial extension is larger than that of france. | 2014 | 24523920 |