| isolation of dengue virus type 1 from larvae of aedes albopictus in campos altos city, state of minas gerais, brazil. | | 1993 | 8107613 |
| [dengue and its vectors in brazil]. | history of dengue in brazil is covered from the first citations in the xixth century to the great outbreaks of the last ten years. den-1 and den-4 viruses have been isolated for the first time in 1982 during an epidemic in boa vista, roraima state. in 1986-1987, epidemics of dengue type 1 covered an extended area from rio de janeiro/sào paulo states to the north east states of brazil. during 1990-1991, dengue type 2 epidemics have been notified in the south east (rio de janeiro/são paulo) and in ... | 1996 | 8924771 |
| susceptibility of aedes aegypti (l) to the insect growth regulators diflubenzuron and methoprene in uberlândia, state of minas gerais. | aedes aegypti (l) (diptera: culicidae) was reared in several concentrations of diflubenzuron and methoprene under laboratory conditions in uberlândia, state of minas gerais, southeastern brazil. characteristics such as lc50 and lc95, the susceptibility of immature stages of different ages to these insect growth regulators and their residual effects were studied. the lc50 and lc95 of diflubenzuron and methoprene were 5.19 and 12.24 ppb; 19.95 and 72.08 ppb, respectively. while diflubenzuron cause ... | 2007 | 18200410 |
| [population dynamics of aedes aegypti (l) in an urban area with high incidence of dengue]. | aspects of the population dynamics of aedes aegypti were investigated from collections over a two-year period in the urban area of uberlândia, state of minas gerais. the population dynamics of this mosquito were influenced by physical factors such as temperature and rainfall. high larval densities also had an influence on mosquito development. | 2008 | 18719816 |
| [dengue fever in three sanitary districts in the city of belo horizonte, brazil: a population-based seroepidemiological survey, 2006 to 2007]. | to determine the seroprevalence of dengue fever serotypes in three sanitary districts in the city of belo horizonte and investigate the association of seroprevalence with contextual and individual variables. | 2010 | 20512227 |
| [predominant leptospira spp. serovars in serological diagnosis of canines and humans in the city of uberlândia, state of minas gerais, brazil.] | introduction:this study aimed to verify the occurrence of the principal leptospira spp. serovars in domestic dogs and humans, notified in 2008, and the main risk factors in a geographic approach to the disease in the city of uberlândia, state of minas gerais, brazil. methods: canine blood serum samples (n=268) from different districts, belonging to the northern, southern, eastern, western and central sanitary districts of uberlandia, were collected during an animal vaccination campaign against r ... | 2011 | 21468478 |
| antiviral activity of distictella elongata (vahl) urb. (bignoniaceae), a potentially useful source of anti-dengue drugs from the state of minas gerais, brazil. | to investigate the in vitro antiviral activity of distictella elongata (vahl) urb. ethanol extracts from leaves (lee), fruits (fee), stems and their main components. | 2011 | 21895729 |
| isolation of saint louis encephalitis virus from a horse with neurological disease in brazil. | st. louis encephalitis virus (slev) is a causative agent of encephalitis in humans in the western hemisphere. slev is a positive-sense rna virus that belongs to the flavivirus genus, which includes west nile encephalitis virus, japanese encephalitis virus, dengue virus and other medically important viruses. recently, we isolated a slev strain from the brain of a horse with neurological signs in the countryside of minas gerais, brazil. the slev isolation was confirmed by reverse-transcription rt- ... | 2013 | 24278489 |
| dengue fever occurrence and vector detection by larval survey, ovitrap and mosquitrap: a space-time clusters analysis. | the use of vector surveillance tools for preventing dengue disease requires fine assessment of risk, in order to improve vector control activities. nevertheless, the thresholds between vector detection and dengue fever occurrence are currently not well established. in belo horizonte (minas gerais, brazil), dengue has been endemic for several years. from january 2007 to june 2008, the dengue vector aedes (stegomyia) aegypti was monitored by ovitrap, the sticky-trap mosquitrap™ and larval surveys ... | 2012 | 22848729 |
| aedes (stegomyia) albopictus' dynamics influenced by spatiotemporal characteristics in a brazilian dengue-endemic risk city. | brazil reported the majority of the dengue cases in americas during the last two decades, where the occurrence of human dengue cases is exclusively attributed to the aedes (stegomyia) aegypti (linnaeus). nowadays, other recognized dengue virus (denv) vector in asian countries, aedes (stegomyia) albopictus (skuse), has been detected in more than half of the 5565 brazilian municipalities. therefore, the aim of the present study was to investigate the presence of, and determine the ae. albopictus' ... | 2016 | 27771419 |
| phylogenetic analysis of dengue virus 1 isolated from south minas gerais, brazil. | dengue is a major worldwide public health problem, especially in the tropical and subtropical regions of the world. primary infection with a single dengue virus serotype causes a mild, self-limiting febrile illness called dengue fever. however, a subset of patients who experience secondary infection with a different serotype can progress to a more severe form of the disease, called dengue hemorrhagic fever. the four dengue virus serotypes (1-4) are antigenically and genetically distinct and each ... | 2016 | 26887252 |
| cost-effectiveness of novel system of mosquito surveillance and control, brazil. | of all countries in the western hemisphere, brazil has the highest economic losses caused by dengue fever. we evaluated the cost-effectiveness of a novel system of vector surveillance and control, monitoramento inteligente da dengue (intelligent dengue monitoring system [mid]), which was implemented in 21 cities in minas gerais, brazil. traps for adult female mosquitoes were spaced at 300-m intervals throughout each city. in cities that used mid, vector control was conducted specifically at high ... | 0 | 23628282 |
| molecular surveillance of dengue in minas gerais provides insights on dengue virus 1 and 4 circulation in brazil. | dengue, caused by any of the four types of dengue virus (denv) is the most important arbovirus in the world. in this study we performed a molecular surveillance of dengue during the greatest dengue outbreak that took place in divinópolis, minas gerais state, southeast brazil, in 2013. samples from 100 patients with clinical symptoms of dengue were studied and 26 were positive. the capsid/premembrane (cprm) and envelope gene sequences of some samples were amplified and sequenced. molecular analys ... | 2016 | 27926790 |
| dengue virus detection in aedes aegypti larvae from southeastern brazil. | the transmission of dengue, the most important arthropod-borne viral disease in brazil, has been intensified over the past decades, along with the accompanying expansion and adaptation of its aedes vectors. in the present study, we mapped dengue vectors in ouro preto and ouro branco, minas gerais, by installing ovitraps in 32 public schools. the traps were examined monthly between september, 2011 through july, 2012 and november, 2012 to april, 2013. the larvae were reared until the fourth stadiu ... | 2015 | 26047186 |
| dengue virus serotype 4 in a highly susceptible population in southeast brazil. | in minas gerais, brazil, almost 500,000 dengue fever cases were reported to the state surveillance system between november 2012 and july 2013. an analysis of the laboratory-confirmed cases revealed a higher age-specific incidence in adults and a higher case fatality rate in people aged ≥50. dengue virus serotypes 1 and 4 (the latter of which is an emerging serotype in brazil) were responsible for the outbreak. | 2016 | 25179890 |
| flight height preference for oviposition of mosquito (diptera: culicidae) vectors of sylvatic yellow fever virus near the hydroelectric reservoir of simplício, minas gerais, brazil. | in this study, the oviposition behavior of mosquito species exhibiting acrodendrophilic habits was investigated. the study was conducted near the simplicio hydroelectic reservoir (shr) located on the border of the states of minas gerais and rio de janeiro, brazil. samples were collected using oviposition traps installed in forest vegetation cover between 1.70 and 4.30 m above ground level during the months of april, june, august, october, and december of 2011. haemagogus janthinomys (dyar), haem ... | 2013 | 23926776 |
| dengue outbreaks in divinopolis, south-eastern brazil and the geographic and climatic distribution of aedes albopictus and aedes aegypti in 2011-2012. | to entomologically monitor aedes spp. and correlate the presence of these vectors with the recent epidemic of dengue in divinopolis, minas gerais state, brazil. | 2015 | 25328988 |
| intelligent monitoring of aedes aegypti in a rural area of rio de janeiro state, brazil. | the aim of this research was to monitor the presence of females of aedes aegypti (linnaeus, 1762) on the seropédica municipality, rio de janeiro state, from 2010 to 2013. for this purpose, the intelligent dengue monitoring (im-dengue) and intelligent virus monitoring (im-virus) developed by universidade federal de minas gerais (ecovec - minas gerais, brazil), were used. im-dengue is a tool that allows achieving a weekly overview of a. aegypti infestation, while im-virus is another tool that allo ... | 2017 | 28793020 |
| clinical profiles and factors associated with death in adults with dengue admitted to intensive care units, minas gerais, brazil. | the purpose of our study was to describe the clinical profile of dengue-infected patients admitted to brazilian intensive care units (icu) and evaluate factors associated with death. a longitudinal, multicenter case series study was conducted with laboratory-confirmed dengue patients admitted to nine brazilian icus situated in minas gerais state, southeastern brazil from january 1, 2008, to december 31, 2013. demographic, clinical and laboratory data; disease severity scores; and mortality were ... | 2015 | 26090676 |
| factors associated with death from dengue in the state of minas gerais, brazil: historical cohort study. | to analyse the clinical and epidemiological profiles of dengue haemorrhagic fever (dhf), dengue shock syndrome (dss) and complicated dengue cases and deaths from 2008 to 2010 that occurred in the state of minas gerais, south-eastern brazil, and to identify factors associated with death from dengue. | 2015 | 25345964 |
| [spatial analysis of dengue and primary health care in alfenas, minas gerais, brazil]. | | 2014 | 24837406 |
| evaluation of the diagnostic value of the tourniquet test in predicting severe dengue cases in a population from belo horizonte, state of minas gerais, brazil. | dengue is prevalent in many tropical and sub-tropical regions. the clinical diagnosis of dengue is still complex, and not much data are available. this work aimed at assessing the diagnostic accuracy of the tourniquet test in patients with suspected dengue infection and its positivity in different classifications of this disease as reported to the information system for notifiable disease in belo horizonte, state of minas gerais, brazil between 2001 and 2006. | 2013 | 24270244 |
| [persistence of dengue symptoms in patients in uberaba, minas gerais state, brazil]. | the clinical picture of dengue is characterized by a maximum duration of 14 days despite frequent complaints of longer symptoms. this study evaluated the occurrence of persistent symptoms (> 14 days) and its impact on daily life. a hundred eighteen patients were interviewed, and the main symptoms at diagnosis were mialgia (98.3%), fever (97.5%) and weakness (95.8%). the presence of at least a persistent symptom was related by 77 (65.2%) individuals of wich 10 (8.5%) described it as intense and l ... | 2010 | 20464080 |
| [intra-urban dynamics of dengue epidemics in belo horizonte, minas gerais state, brazil, 1996-2002]. | this study aimed to describe the temporal-spatial patterns of dengue epidemics in belo horizonte, minas gerais state, brazil, from 1996 to 2002 and to analyze residential address as a proxy for exposure. reported dengue cases were analyzed according to week of onset of symptoms and residential census tract. local moran's index was used to assess spatial autocorrelation of incidence coefficients, and recurrent census areas over different epidemic waves were also verified. ripley's k-function was ... | 2008 | 18949240 |
| the urban environment from the health perspective: the case of belo horizonte, minas gerais, brazil. | this study aims to determine spatial patterns of mortality and morbidity for five health problems in an urban environment: homicides, adolescent pregnancy, asthma hospitalization, and two vector-borne diseases, dengue and visceral leishmaniasis. all events were obtained through the city health database and geoprocessed using residential addresses and 80 planning units consisting of census tracts. we used thematic maps, proportionate mortality/morbidity ratios by planning unit, and the overlapped ... | 2013 | 15868056 |
| [dengue epidemics and press coverage]. | the occurrence of successive dengue epidemics in brazil highlights the importance of information dissemination by the media. as a sphere for mediation in contemporary societies, the news media produce, expand, and circulate information and meanings that affect people's decisions. in order to contribute to the discussion, this study analyzes coverage by the main daily newspaper in belo horizonte, minas gerais, brazil, on dengue epidemics in that state capital from 1996 to 2000, assessing the prio ... | 2015 | 15486677 |