Francisco Chiaravalloti Neto

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The purpose of this study was to examine the relationship between Aedes aegypti egg and adult density indices, dengue fever and climate in Mirassol, state of São Paulo, Brazil, between November 2004-November 2005. Weekly collections of adults and eggs were made using, respectively, manual aspirators and oviposition traps that produced four entomological(More)
INTRODUCTION Culex flavivirus (CxFV) was first isolated in 2007 from Culex pipiens in Japan and then identified in several other countries. Characterization of the CxFV showed that all strains are related to the cell fusing agent virus. In this manuscript we report the first identification of CxFV in South America. MATERIAL AND METHODS We have collected(More)
OBJECTIVE To perform spatial analysis on dengue transmission in a medium-sized city in the interior of the State of São Paulo, Brazil, covering the period from September 1990 to August 2002. METHODS Autochthonous cases with confirmation by laboratory tests were utilized. Population data on the city of São José do Rio Preto were obtained from the Brazilian(More)
The dengue virus has a single-stranded positive-sense RNA genome of approximately 10.700 nucleotides with a single open reading frame that encodes three structural (C, prM, and E) and seven nonstructural (NS1, NS2A, NS2B, NS3, NS4A, NS4B, and NS5) proteins. It possesses four antigenically distinct serotypes (DENV 1-4). Many phylogenetic studies address(More)
A study was performed in different areas of São José do Rio Preto which include the Family Health Program (FHP) and the Dengue Control Program, and the results of integration between the two programs were evaluated. In addition to other responsibilities, community health agents instructed residents on dengue control measures, encouraging the population to(More)
OBJECTIVE To evaluate the relationship between risk of occurrence of dengue and socioeconomic level. METHODS All confirmed autochthonous cases of dengue between September 1990 and August 2002 were geocoded and grouped according to the urban census tracts of the municipality of São José do Rio Preto, Southeastern Brazil. A socioeconomic factor generated by(More)
OBJECTIVE To analyze cardiovascular mortality indicators in São José do Rio Preto--a city in the State of São Paulo, Brazil--and to evaluate the municipality's mortality rates by socioeconomic levels. METHODS Data used came from the Mortality Information System and from the Information and Computing Department of the federal governments Unified Health(More)
INTRODUCTION In 1999, Birigui and Araçatuba were the first municipalities in the State of São Paulo to present autochthonous cases of visceral leishmaniasis in humans (VLH). The aim of this study was to describe the temporal, spatial and spatiotemporal behaviors of VLH in Birigui. METHODS Secondary data were obtained from the Notifiable Diseases(More)
OBJECTIVE A Aedes aegypti population from an area of dengue transmission was studied to determine mosquito's frequency, spatial distribution, parity, its ovarian development and midgut contents. METHODS The study carried out in São José do Rio Preto country, São Paulo, SP, Brazil. Low and intermediate socioeconomic level regions were chosen to the study,(More)
OBJECTIVE To identify areas of vulnerability to new cases of HIV/tuberculosis (TB) co-infection. METHODS An ecological descriptive study was conducted by georeferencing new HIV/TB cases reported in the city of Ribeirão Preto, Southeastern Brazil, in 2006. Data were obtained from the São Paulo state information system for TB notification (TB-WEB) database.(More)