نتایج جستجو برای: cchfv
تعداد نتایج: 157 فیلتر نتایج به سال:
background: crimean congo hemorrhagic fever virus (cchfv) is a member of the bunyaviridae family and nairovirus genus. it has a negative-sense, single stranded rna genome approximately 19.2 kb, containing the small, medium, and large segments. cchfvs are relatively divergent in their genome sequence and grouped in seven distinct clades based on s-segment sequence analysis and six clades based o...
Crimean-Congo hemorrhagic fever (CCHF) is a tick-borne disease caused by the arbovirus Crimean-Congo hemorrhagic fever virus (CCHFV), which is a member of the Nairovirus genus (family Bunyaviridae). CCHF was first recognized during a large outbreak among agricultural workers in the mid-1940s in the Crimean peninsula. The disease now occurs sporadically throughout much of Africa, Asia, and Europ...
In countries from which Crimean-Congo haemorrhagic fever (CCHF) is absent, the causative virus, CCHF virus (CCHFV), is classified as a hazard group 4 agent and handled in containment level (CL)-4. In contrast, most endemic countries out of necessity have had to perform diagnostic tests under biosafety level (BSL)-2 or -3 conditions. In particular, Turkey and several of the Balkan countries have...
As a first line of defence against a virus infection, mammalian cells elicit an innate immune response, characterized by secretion of type I interferons (IFN) and up-regulation of interferon stimulated genes (ISGs). We have previously included Crimean Congo Hemorrhagic Fever Virus (CCHFV) in the list of type I IFN-sensitive viruses. In this in vitro study, we have compared the antiviral activit...
background : this comprehensive study was conducted on multi-purpose one-humped camel ( camelus dromedarius ) sera and ticks to assess the epidemiological aspects of the crimean-congo hemorrhagic fever virus (cchfv) in northeast iran. methods : from may 2012 to january 2013, eleven cities were randomly selected in the khorasan provinces of iran as “clusters,” and at least 14 one-humped camels w...
Shrews (family Soricidae ) are tiny mole-shaped mammals belong to the order Eulipotyphla . The main objective of this study is screen wild specimens shrews for specific RNA viruses cause hemorrhagic fevers. Wild were collected from rural areas in Kingdom Saudi Arabia. Collection carried out traps then identified using classical morphological keys. Specimens dissected extraction single stranded ...
Background Crimean-Congo Hemorrhagic Fever (CCHF) is a viral zoonotic disease with high mortality rate in humans caused by CCHF virus (CCHFV) belonging to the genus Nairovirus, family Bunyaviridae, and congaing a three segment single-stranded RNA genome. The CCHFV is transmitted to humans by bite of infected ticks, by direct contact with blood or tissues of infected livestock and nosocomially. ...
the main aim of this study was to obtain the crimean-congo hemorrhagic fever virus (cchfv) glycoprotein, through either stable transgenic plants or using a transient expression system, and determine the yield, quality and finally the immunogenicity of the plant-made cchfv glycoprotein in a mouse model. we designed and synthesized a codon-optimized g1/g2 gene from the g1 and g2 parts of the cchf...
background and aims: crimean-congo hemorrhagic fever (cchf) is a zoonosis caused by a nairovirus of the family bunyaviridae. infection is transmitted to humans mostly by hyalomma ticks. this study was conducted to determine the rate of cchfv infection in ticks in qom province of iran. materials and methods: in this study, reverse transcription – polymerase chain reaction (rt-pcr) was used to de...
Crimean-Congo hemorrhagic fever (CCHF) is a zoonosis mainly transmitted by ticks that causes severe hemorrhagic fever and has a mortality rate of 5-60%. The first outbreak of CCHF occurred in the Crimean peninsula in 1944-45 and it has recently emerged in the Balkans and eastern Mediterranean. In order to reconstruct the origin and pathway of the worldwide dispersion of the virus at global and ...
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