Results 51 to 60 of about 160,715 (159)

Identificação sorológica de amostras de Escherichia coli isoladas de queijo Minas artesanal. [PDF]

open access: yes, 2019
O objetivo do estudo foi determinar a ocorrência de E. coli diarreiogênicas EPEC, EHEC e EIEC em queijos Minas Artesanal comercializados no município de Sacramento ?
AMARAL, L. A. do   +5 more
core  

A Comprehensive Molecular and Serological Investigation of Hepatitis A Virus Among Patients With Suspected Acute Hepatitis: A Brazilian Study

open access: yesJournal of Medical Virology, Volume 97, Issue 6, June 2025.
ABSTRACT Hepatitis A Virus (HAV) infects millions of individuals annually and is a major cause of acute viral hepatitis worldwide. This study aims to (1) assess HAV infection in suspected acute hepatitis patients at public healthcare institutions in Brazil; (2) evaluate the proportion of immunized individuals against HAV; (3) identify HAV genotypes; (4)
Ketty Gleyzer de Oliveira   +63 more
wiley   +1 more source

Vector competence, vectorial capacity of Nyssorhynchus darlingi and the basic reproduction number of Plasmodium vivax in agricultural settlements in the Amazonian Region of Brazil

open access: yesMalaria Journal, 2019
Background Brazilian malaria control programmes successfully reduced the incidence and mortality rates from 2005 to 2016. Since 2017, increased malaria has been reported across the Amazon.
Maria Anice M. Sallum   +12 more
doaj   +1 more source

Retrospective Investigation in Horses with Encephalitis Reveals Unnoticed Circulation of West Nile Virus in Brazil

open access: yesViruses, 2022
During these past years, several studies have provided serological evidence regarding the circulation of West Nile virus (WNV) in Brazil. Despite some reports, much is still unknown regarding the genomic diversity and transmission dynamics of this virus ...
Hegger Fritsch   +39 more
doaj   +1 more source

Saúde ambiental [PDF]

open access: yes, 2012
Este material compõe a disciplina optativa "Vigilância à saúde ambiental" do Curso de Especialização Estratégia Saúde da Família (2014). Esta disciplina tem o objetivo de provocar uma reflexão sobre a relação saúde e ambiente, contextualizando os ...
Lemos, Alysson Feliciano   +1 more
core  

Autochthonous malaria notified in the State of São Paulo: clinical and epidemiological characteristics from 1980 to 2007 [PDF]

open access: yes, 2010
INTRODUÇÃO: A malária autóctone no Estado de São Paulo caracteriza-se por surtos esporádicos na região oeste e transmissão persistente na região leste onde ocorrem casos oligossintomáticos com baixa parasitemia pelo Plasmodium vivax.
COUTO, Renata D'Avila   +3 more
core   +2 more sources

SARS‐CoV‐2 Infection Among Children in Rondônia, Western Brazilian Amazon

open access: yesAdvances in Virology, Volume 2025, Issue 1, 2025.
We analyzed 364 children symptomatic or asymptomatic for respiratory symptoms, aged 0.1 month–17 years, selected from primary healthcare units of different municipalities of Rondônia from June 2021 to September 2022. Data were collected from medical and electronic records for epidemiological characterization. The positive cohort (n = 96) was quantified
Gil Guibson Mota Amaral   +10 more
wiley   +1 more source

Retrospective Genomic Surveillance of Chikungunya Transmission in Minas Gerais State, Southeast Brazil

open access: yesMicrobiology Spectrum, 2022
Brazil accounted for a total number of 1,276,194 reported cases of chikungunya fever between 2014 and 2022. Additionally, since 2015, the country has experienced an increasing death toll, in which the Northeast and Southeast regions appear to report the ...
Hegger Fritsch   +14 more
doaj   +1 more source

Nitratos nas águas de consumo no Distrito de Beja : da aplicação de um modelo regional integrado de avaliação ambiental ao estabelecimento de um sistema de vigilância epidemiológica [PDF]

open access: yes, 2004
Apresenta-se uma perspectiva geral da problemática da presença de nitratos nas águas de consumo do Distrito de Beja e as linhas de acção para uma abordagem multidisciplinar e integrada do problema ambiental e de saúde pública, absolutamente necessária ...
Gouveia, Luisa, Paralta, Eduardo
core  

E-books for the medical profession [PDF]

open access: yes, 2007
O trabalho indica alguns livros eletrônicos gratuitos disponíveis na Internet e destinados à área médica.This paper indicates some e-books (electronic books) that are available on the Internet for free access and destined for the medical ...
Gomes, Sonia Pedrozo
core   +2 more sources

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