Abstract:
BACKGROUND:Crimean-Congo hemorrhagic fever (CCHF) activity has recently been detected in the Kordufan region of Sudan. Since 2008, several sporadic cases and nosocomial outbreaks associated with high case-fatality have been reported in villages and rural hospitals in the region. PRINCIPAL FINDINGS:In the present study, we describe a cluster of cases occurring in June 2009 in Dunkop village, Abyei District, South Kordufan, Sudan. Seven CCHF cases were involved in the outbreak; however, clinical specimens could be collected from only two patients, both of whom were confirmed as acute CCHF cases using CCHF-specific reverse transcriptase polymerase chain reaction (RT-PCR). Phylogenetic analysis of the complete S, M, and L segment sequences places the Abyei strain of CCHF virus in Group III, a virus group containing strains from various countries across Africa, including Sudan, South Africa, Mauritania, and Nigeria. The Abyei strain detected in 2009 is genetically distinct from the recently described 2008 Sudanese CCHF virus strains (Al-fulah 3 and 4), and the Abyei strain S and L segments closely match those of CCHF virus strain ArD39554 from Mauritania. CONCLUSIONS:The present investigation illustrates that multiple CCHF virus lineages are circulating in the Kordufan region of Sudan and are associated with recent outbreaks of the disease occurring during 2008-2009.
journal_name
PLoS Negl Trop Disjournal_title
PLoS neglected tropical diseasesauthors
Aradaib IE,Erickson BR,Karsany MS,Khristova ML,Elageb RM,Mohamed ME,Nichol STdoi
10.1371/journal.pntd.0001159subject
Has Abstractpub_date
2011-01-01 00:00:00pages
e1159issue
5eissn
1935-2727issn
1935-2735pii
PNTD-D-10-00288journal_volume
5pub_type
杂志文章abstract::Zika virus (ZIKV) is an arbovirus primarily transmitted by Aedes mosquitoes. Like most viral infections, ZIKV viremia varies over several orders of magnitude, with unknown consequences for transmission. To determine the effect of viral concentration on ZIKV transmission risk, we exposed field-derived Ae. aegypti mosqu...
journal_title:PLoS neglected tropical diseases
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journal_title:PLoS neglected tropical diseases
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journal_title:PLoS neglected tropical diseases
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journal_title:PLoS neglected tropical diseases
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journal_title:PLoS neglected tropical diseases
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journal_title:PLoS neglected tropical diseases
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journal_title:PLoS neglected tropical diseases
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