نتایج جستجو برای: dengue
تعداد نتایج: 21187 فیلتر نتایج به سال:
Peripheral blood mononuclear cells (PBMC) from humans without antibodies to dengue 2 virus lysed dengue 2 virus-infected Raji cells to a significantly greater degree than uninfected Raji cells. The addition of mouse anti-dengue antibody increased the lysis of dengue-infected Raji cells by PBMC. Dengue 2 immune human sera also increased lysis of dengue-infected Raji cells by PBMC. These results ...
Monocytes appear to play an important role in dengue virus infection. They have been identified as cells that support dengue virus replication (1) . Dengue virus has been recovered from circulating mononuclear cells and lymphoid organs of dengue virus-infected humans and monkeys (2-4). Cell separation experiments showed that dengue virus replicates in monocyte fractions, but did not replicate i...
background : the population of mosquitoes is mainly influenced by the biotic and abiotic factors. although aedes aegypti was reported until 1960’s in the punjab, pakistan, the population has increased dramatically since 2009 and caused severe epidemics in 2011 due to heavy floods and rains. thus, this study was carried out to know the effect of biotic and abiotic factors on the population of ae...
BACKGROUND & OBJECTIVES A dengue outbreak occurred throughout West Bengal, India starting from August 2005. The objectives of this study were: (i) documentation of suspected cases, confirmed by MAC ELISA; (ii) a longitudinal serosurveillance of dengue in Kolkata by detecting denguespecific IgG and IgM antibodies in suspected cases and to note the seasonal incidence; (iii) to get information abo...
Dengue is a mosquito-borne viral disease which is currently an important and rapid growing health problem across the globe. Four closely related dengue serotypes cause the disease, which ranges from asymptomatic infection to undifferentiated fever, dengue fever (DF), and dengue hemorrhagic fever (DHF). Specific antiviral medications are not available for dengue and successful treatment, which i...
BACKGROUND Dengue has emerged as the most important vector-borne viral disease in tropical areas. Evaluations of the burden and severity of dengue disease have been hindered by the frequent lack of laboratory confirmation and strong selection bias toward more severe cases. METHODOLOGY A multinational, prospective clinical study was carried out in South-East Asia (SEA) and Latin America (LA), ...
Dengue virus (DENV) causes a spectrum of diseases ranging from self-limiting dengue fever to severe conditions such as haemorrhagic fever and dengue shock syndrome. Antibody-dependent enhancement (ADE) is thought to explain the occurrence of severe dengue whereby pre-existing binding but non-neutralising antibodies enhance DENV infection. The ADE phenomenon is supported by epidemiological findi...
BACKGROUND In Colombia, dengue is an endemic disease and the four serotypes have been reported. OBJECTIVE To describe the frequency and severity of dengue in an area of the Colombian Caribbean (Department of Cordoba). METHODS A retrospective study was conducted. Two data sources were analysed: The database from the Direction of Health in Córdoba, and clinical registers of patients diagnosed...
BACKGROUND As there is no specific treatment for dengue, early detection and access to proper treatment may lower dengue fatality. Therefore, having new techniques for the early detection of dengue fever, such as the use of dengue test kit, is vitally important. The aims of the study were: 1) identify factors associated with acceptance of a home self-test kit for dengue fever if the dengue test...
Dengue is the world's most important and fastest spreading viral vector-borne disease. Due to international trade and travel, demographic and climate changes, the global incidence of dengue increased 30-fold during last 50 years and it is now estimated that 50-250 million cases occur each year. Only a small percentage of cases are symptomatic and reported. Two fifths of the human population liv...
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