scholarly journals Seroprevalence of West Nile Virus in Wild Birds in Far Eastern Russia Using a Focus Reduction Neutralization Test

2011 ◽  
Vol 84 (3) ◽  
pp. 461-465 ◽  
Author(s):  
Ryo Murata ◽  
Ikuo Takashima ◽  
Leonid I. Ivanov ◽  
Kentaro Yoshii ◽  
Kensuke Nakajima ◽  
...  
Keyword(s):  
West Nile Virus ◽  
Neutralization Test ◽  
Wild Birds ◽  
West Nile ◽  
Far Eastern Russia ◽  
Focus Reduction ◽  
Far Eastern ◽  
Eastern Russia

scholarly journals Geographic Distribution and Phylogeny of Soricine Shrew-Borne Seewis Virus and Altai Virus in Russia

Viruses ◽  
2021 ◽  
Vol 13 (7) ◽  
pp. 1286
Author(s):  
Liudmila N. Yashina ◽  
Sergey A. Abramov ◽  
Alexander V. Zhigalin ◽  
Natalia A. Smetannikova ◽  
Tamara A. Dupal ◽  
...  
Keyword(s):  
Geographic Distribution ◽  
Genomic Sequence ◽  
Common Shrew ◽  
The United States ◽  
Eastern Siberia ◽  
Geographic Ranges ◽  
Lena River ◽  
Far Eastern Russia ◽  
Far Eastern ◽  
Eastern Russia

The discovery of genetically distinct hantaviruses (family Hantaviridae) in multiple species of shrews, moles and bats has revealed a complex evolutionary history involving cross-species transmission. Seewis virus (SWSV) is widely distributed throughout the geographic ranges of its soricid hosts, including the Eurasian common shrew (Sorex araneus), tundra shrew (Sorex tundrensis) and Siberian large-toothed shrew (Sorex daphaenodon), suggesting host sharing. In addition, genetic variants of SWSV, previously named Artybash virus (ARTV) and Amga virus, have been detected in the Laxmann’s shrew (Sorex caecutiens). Here, we describe the geographic distribution and phylogeny of SWSV and Altai virus (ALTV) in Asian Russia. The complete genomic sequence analysis showed that ALTV, also harbored by the Eurasian common shrew, is a new hantavirus species, distantly related to SWSV. Moreover, Lena River virus (LENV) appears to be a distinct hantavirus species, harbored by Laxmann’s shrews and flat-skulled shrews (Sorex roboratus) in Eastern Siberia and far-eastern Russia. Another ALTV-related virus, which is more closely related to Camp Ripley virus from the United States, has been identified in the Eurasian least shrew (Sorex minutissimus) from far-eastern Russia. Two highly divergent viruses, ALTV and SWSV co-circulate among common shrews in Western Siberia, while LENV and the ARTV variant of SWSV co-circulate among Laxmann’s shrews in Eastern Siberia and far-eastern Russia. ALTV and ALTV-related viruses appear to belong to the Mobatvirus genus, while SWSV is a member of the Orthohantavirus genus. These findings suggest that ALTV and ALTV-related hantaviruses might have emerged from ancient cross-species transmission with subsequent diversification within Sorex shrews in Eurasia.

scholarly journals Is West Nile virus a potential cause of central nervous system infection in Brazil?

2010 ◽  
Vol 68 (5) ◽  
pp. 761-763 ◽  
Author(s):  
Cristiane N Soares ◽  
Mauro J. Cabral Castro ◽  
José M Peralta ◽  
Marcos R.G. de Freitas ◽  
Marzia Puccioni-Sohler
Keyword(s):  
West Nile Virus ◽  
Rio De Janeiro ◽  
Viral Encephalitis ◽  
Neutralization Test ◽  
Dengue Infection ◽  
Central Nervous System Infection ◽  
Viral Meningitis ◽  
Unknown Etiology ◽  
West Nile ◽  
The City

Meningitis and encephalitis are complications of West Nile virus (WNV) infection. Although WNV is endemic in North America, the virus has recently been reported in Colombia and Argentina. Investigation of WNV in Brazil is important since this virus has never been studied previously in this country. OBJECTIVE: To investigate the presence of WNV infection in viral encephalitis/meningitis cases of unknown etiology in the city of Rio de Janeiro, Brazil. METHOD: Thirty-seven adults with viral meningitis/encephalitis had their serum and CSF tested for WNV antibodies using the ELISA method. RESULTS: Only one case was WNV-positive, but this case was also positive for dengue. The plaque reduction neutralization test distinguished infections, and was negative for WNV. CONCLUSION: WNV can be confused with dengue infection. Their symptoms and neurological picture are similar. We did not find WNV in any patients with encephalitis and meningitis in the city of Rio de Janeiro. Up to now, it has not been detected in Brazil

A Snapshot Avian Surveillance Reveals West Nile Virus and Evidence of Wild Birds Participating in Toscana Virus Circulation

2017 ◽  
Vol 17 (10) ◽  
pp. 698-708 ◽  
Author(s):  
Sabri Hacioglu ◽  
Ender Dincer ◽  
Cafer Tayer Isler ◽  
Zeynep Karapinar ◽  
Veysel Soydal Ataseven ◽  
...  
Keyword(s):  
West Nile Virus ◽  
Wild Birds ◽  
Toscana Virus ◽  
West Nile

The survey of wild birds for West Nile virus in Poland

2011 ◽  
Vol 14 (4) ◽  
pp. 573-577 ◽  
Author(s):  
J. Niczyporuk ◽  
E. Samorek-Salamonowicz ◽  
W. Kozdruń ◽  
Z. Mizak
Keyword(s):  
West Nile Virus ◽  
Genetic Material ◽  
Early Spring ◽  
Wild Birds ◽  
Rt Pcr ◽  
West Nile ◽  
Late Autumn ◽  
The Brain

The survey of wild birds for West Nile virus in PolandTwo thousand one hundred and forty birds belonging to 39 different species from different locations in Poland were examined. The study has taken place from the early spring till late autumn 2007-2010 when the activity of the mosquitoes was the highest. The brain samples were taken from the birds and whole cellular RNA was isolated, then the RT-PCR and NRT-PCR were performed to detect the presence of West Nile virus (WNV). The obtained results were confirmed by the commercial WNV Kit. No genetic material of WNV was found in the examined samples.

Surveillance on antibodies against West Nile virus, Usutu virus, tick-borne encephalitis virus and Tribeč virus in wild birds in Drienovská wetland, Slovakia

Biologia ◽  
2019 ◽  
Vol 74 (7) ◽  
pp. 813-820 ◽  
Author(s):  
Tomáš Csank ◽  
Ľuboš Korytár ◽  
Terézia Pošiváková ◽  
Tamás Bakonyi ◽  
Juraj Pistl ◽  
...  
Keyword(s):  
West Nile Virus ◽  
Wild Birds ◽  
Encephalitis Virus ◽  
West Nile ◽  
Usutu Virus ◽  
Tick Borne Encephalitis ◽  
Tick Borne Encephalitis Virus

Continuous Improvement in Wellbore Position Accuracy: Ultra-Extended-Reach Drilling in Far Eastern Russia

2018 ◽  
Author(s):  
Benny Poedjono ◽  
Stefan Maus ◽  
Sheldon Rawlins ◽  
Nicholas Zachman ◽  
Adam Paul Row ◽  
...  
Keyword(s):  
Continuous Improvement ◽  
Position Accuracy ◽  
Far Eastern Russia ◽  
Extended Reach Drilling ◽  
Far Eastern ◽  
Eastern Russia

West Nile virus lineage 2 in Sardinian wild birds in 2012: a further threat to public health

2013 ◽  
Vol 141 (11) ◽  
pp. 2313-2316 ◽  
Author(s):  
G. SAVINI ◽  
G. PUGGIONI ◽  
A. DI GENNARO ◽  
G. DI FRANCESCO ◽  
A. M. ROCCHIGIANI ◽  
...  
Keyword(s):  
Public Health ◽  
West Nile Virus ◽  
Sequence Analysis ◽  
Wild Birds ◽  
Homologous Sequence ◽  
West Nile ◽  
Lineage 2 ◽  
High Level

SUMMARYWest Nile virus (WNV) strains belonging to lineage 2 were detected and isolated from the tissues of a goshawk and two carrion crows in Sardinia in August 2012. According to NS3 sequence analysis, the Sardinian isolates shared a high level of similarity with those of Italian lineage 2 strains which circulated in 2011 and with the homologous sequence of the 2004 Hungarian isolate. Following the human fatality reported in 2011 in Olbia, this study is the first to report the spread and enzootic circulation of WNV lineage 2 in Sardinia.

Attempts to detect West Nile virus in wild birds in Poland

2011 ◽  
Vol 59 (3) ◽  
pp. 405-408 ◽  
Author(s):  
Jowita Niczyporuk ◽  
Elżbieta Samorek-Salamonowicz ◽  
Wojciech Kozdruń ◽  
Zbigniew Mizak
Keyword(s):  
West Nile Virus ◽  
Early Spring ◽  
Wild Birds ◽  
Rt Pcr ◽  
West Nile ◽  
Late Autumn ◽  
The Brain

The aim of the study was to attempt the detection of West Nile virus (WNV) in wild birds in Poland. Forty-eight species of 1912 wild birds were used for the investigations. The birds were derived from various locations in Poland from early spring till late autumn of the years 2009–2011. The brain samples were homogenised and cellular RNA was isolated. Two methods (RT-PCR and nested RT-PCR) were used. The presence of WNV RNA was not detected in the samples examined. Additionally, a short analysis of the epizootiological situation regarding the presence of WNV in Poland is presented.

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