Seroprevalence, risk factors and spatial distribution of West Nile virus in Jordan

2018 ◽  
Vol 113 (1) ◽  
pp. 24-30
Author(s):  
Mohammad M Obaidat ◽  
Andrew P Stringer ◽  
Amira A Roess
Keyword(s):  
Risk Factors ◽  
Spatial Distribution ◽  
West Nile Virus ◽  
West Nile

scholarly journals Contrasted Epidemiological Patterns of West Nile Virus Lineages 1 and 2 Infections in France from 2015 to 2019

Pathogens ◽  
2020 ◽  
Vol 9 (11) ◽  
pp. 908 ◽  
Author(s):  
Cécile Beck ◽  
Isabelle Leparc Goffart ◽  
Florian Franke ◽  
Gaelle Gonzalez ◽  
Marine Dumarest ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
West Nile Virus ◽  
Invasive Disease ◽  
Northern Italy ◽  
Breaking Point ◽  
Organ Donors ◽  
West Nile ◽  
Organ Donations ◽  
History Of ◽  
Lineage 2

Since 2015, annual West Nile virus (WNV) outbreaks of varying intensities have been reported in France. Recent intensification of enzootic WNV circulation was observed in the South of France with most horse cases detected in 2015 (n = 49), 2018 (n = 13), and 2019 (n = 13). A WNV lineage 1 strain was isolated from a horse suffering from West Nile neuro-invasive disease (WNND) during the 2015 episode in the Camargue area. A breaking point in WNV epidemiology was achieved in 2018, when WNV lineage 2 emerged in Southeastern areas. This virus most probably originated from WNV spread from Northern Italy and caused WNND in humans and the death of diurnal raptors. WNV lineage 2 emergence was associated with the most important human WNV epidemics identified so far in France (n = 26, including seven WNND cases and two infections in blood and organ donors). Two other major findings were the detection of WNV in areas with no or limited history of WNV circulation (Alpes-Maritimes in 2018, Corsica in 2018–2019, and Var in 2019) and distinct spatial distribution of human and horse WNV cases. These new data reinforce the necessity to enhance French WNV surveillance to better anticipate future WNV epidemics and epizootics and to improve the safety of blood and organ donations.

Risk Factors for Encephalitis from West Nile Virus: A Matched Case-Control Study Using Hospitalized Controls

2009 ◽  
Vol 56 (6-7) ◽  
pp. 370-375 ◽  
Author(s):  
K. O. Murray ◽  
E. Koers ◽  
S. Baraniuk ◽  
E. Herrington ◽  
H. Carter ◽  
...  
Keyword(s):  
Risk Factors ◽  
West Nile Virus ◽  
Case Control Study ◽  
Case Control ◽  
West Nile ◽  
Matched Case ◽  
Matched Case Control Study ◽  
Control Study

scholarly journals Host Genetic Risk Factors for West Nile Virus Infection and Disease Progression

PLoS ONE ◽  
2011 ◽  
Vol 6 (9) ◽  
pp. e24745 ◽  
Author(s):  
Abigail W. Bigham ◽  
Kati J. Buckingham ◽  
Sofia Husain ◽  
Mary J. Emond ◽  
Kathryn M. Bofferding ◽  
...  
Keyword(s):  
Risk Factors ◽  
West Nile Virus ◽  
Virus Infection ◽  
Disease Progression ◽  
Genetic Risk ◽  
West Nile Virus Infection ◽  
Genetic Risk Factors ◽  
West Nile ◽  
Host Genetic

Modeling the Spatial Distribution of Mosquito Vectors for West Nile Virus in Connecticut, USA

2006 ◽  
Vol 6 (3) ◽  
pp. 283-295 ◽  
Author(s):  
Maria A. Diuk-Wasser ◽  
Heidi E. Brown ◽  
Theodore G. Andreadis ◽  
Durland Fish
Keyword(s):  
Spatial Distribution ◽  
West Nile Virus ◽  
Mosquito Vectors ◽  
West Nile

scholarly journals Spatial distribution of West Nile virus in humans and mosquitoes in Israel, 2000–2014

2017 ◽  
Vol 64 ◽  
pp. 20-26 ◽  
Author(s):  
Yaniv Lustig ◽  
Zalman Kaufman ◽  
Ella Mendelson ◽  
Laor Orshan ◽  
Emilia Anis ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
West Nile Virus ◽  
West Nile

scholarly journals Environmental risk factors of West Nile virus infection of horses in the Senegal River basin

2010 ◽  
Vol 138 (11) ◽  
pp. 1601-1609 ◽  
Author(s):  
V. CHEVALIER ◽  
A. DUPRESSOIR ◽  
A. TRAN ◽  
O. M. DIOP ◽  
C. GOTTLAND ◽  
...  
Keyword(s):  
Risk Factors ◽  
West Nile Virus ◽  
River Basin ◽  
Environmental Risk ◽  
Environmental Risk Factors ◽  
Environmental Data ◽  
West Nile ◽  
Blood Samples ◽  
Senegal River ◽  
Senegal River Basin

SUMMARYIn 2005, a serological study was carried out on horses in five ecologically contrasted zones of the Senegal River basin (Senegal) to assess West Nile virus (WNV) transmission and investigate underlying environmental risk factors. In each study zone, horses were randomly selected and blood samples taken. A land-cover map of the five study areas was built using two satellite ETM+ images. Blood samples were screened by ELISA for anti-WNV IgM and IgG and positive samples were confirmed by seroneutralization. Environmental data were analysed using a principal components analysis. The overall IgG seroprevalence rate was 85% (n=367; 95% CI 0·81–0·89). The proximity to sea water, flooded banks and salted mudflats were identified as protective factors. These environmental components are unfavourable to the presence of Culex mosquitoes suggesting that in Senegal, the distribution of the vector species is more limiting for WNV transmission than for the hosts' distribution.

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