Transmission of endemic St Louis encephalitis virus strains by local Culex quinquefasciatus populations in Córdoba, Argentina
Background St Louis encephalitis virus (SLEV) is a re-emerging human pathogen widely distributed in the American continent. Although it is not fully understood, the SLEV transmission network may involve Culex quinquefasciatus mosquitoes as vectors and Columbidae species as hosts. Methods To calculat...
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| Veröffentlicht in: | Transactions of the Royal Society of Tropical Medicine and Hygiene 2013-05, Vol.107 (5), p.332-334 |
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| container_title | Transactions of the Royal Society of Tropical Medicine and Hygiene |
| container_volume | 107 |
| creator | Diaz, Luis Adrián Flores, Fernando Sebastián Beranek, Mauricio Rivarola, Maria Elisa Almirón, Walter Ricardo Contigiani, Marta Silvia |
| description | Background
St Louis encephalitis virus (SLEV) is a re-emerging human pathogen widely distributed in the American continent. Although it is not fully understood, the SLEV transmission network may involve Culex quinquefasciatus mosquitoes as vectors and Columbidae species as hosts.
Methods
To calculate infection rates, we inoculated Cx. quinquefasciatus mosquitoes from Córdoba, Argentina by feeding them on viremic chicks.
Results
We observed differences in infection rate among the viral strains, the highest rate (78/87 mosquitoes, 90.8%) being seen in strain 78V-6507. After re-feeding on susceptible chicks, mosquitoes were able to transmit the virus.
Conclusion
Our findings suggest that Cx. quinquefasciatus populations are susceptible to and able to transmit different SLEV strains. |
| doi_str_mv | 10.1093/trstmh/trt023 |
| format | Article |
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St Louis encephalitis virus (SLEV) is a re-emerging human pathogen widely distributed in the American continent. Although it is not fully understood, the SLEV transmission network may involve Culex quinquefasciatus mosquitoes as vectors and Columbidae species as hosts.
Methods
To calculate infection rates, we inoculated Cx. quinquefasciatus mosquitoes from Córdoba, Argentina by feeding them on viremic chicks.
Results
We observed differences in infection rate among the viral strains, the highest rate (78/87 mosquitoes, 90.8%) being seen in strain 78V-6507. After re-feeding on susceptible chicks, mosquitoes were able to transmit the virus.
Conclusion
Our findings suggest that Cx. quinquefasciatus populations are susceptible to and able to transmit different SLEV strains.</description><identifier>ISSN: 0035-9203</identifier><identifier>EISSN: 1878-3503</identifier><identifier>DOI: 10.1093/trstmh/trt023</identifier><identifier>PMID: 23474474</identifier><identifier>CODEN: TRSTAZ</identifier><language>eng</language><publisher>Oxford: Oxford University Press</publisher><subject>Animals ; Arboviral encephalitis ; Arboviroses ; Argentina ; Biological and medical sciences ; Chickens - virology ; Culex - virology ; Disease Susceptibility ; Encephalitis Virus, St. Louis - isolation & purification ; Encephalitis, St. Louis - epidemiology ; Encephalitis, St. Louis - transmission ; Encephalitis, St. Louis - virology ; Endemic Diseases ; General aspects ; Human viral diseases ; Humans ; Infectious diseases ; Insect Vectors - virology ; Medical sciences ; Miscellaneous ; Tropical viral diseases ; Viral diseases ; Viremia - transmission</subject><ispartof>Transactions of the Royal Society of Tropical Medicine and Hygiene, 2013-05, Vol.107 (5), p.332-334</ispartof><rights>Royal Society of Tropical Medicine and Hygiene 2013. All rights reserved. For Permissions, please email: journals.permissions@oup.com 2013</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c2403-9d12a4f2a0d197d6e4b33f123515b25223991517fe6e5d5ea7dfa459506a2e833</citedby><cites>FETCH-LOGICAL-c2403-9d12a4f2a0d197d6e4b33f123515b25223991517fe6e5d5ea7dfa459506a2e833</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1584,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=27278127$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/23474474$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Diaz, Luis Adrián</creatorcontrib><creatorcontrib>Flores, Fernando Sebastián</creatorcontrib><creatorcontrib>Beranek, Mauricio</creatorcontrib><creatorcontrib>Rivarola, Maria Elisa</creatorcontrib><creatorcontrib>Almirón, Walter Ricardo</creatorcontrib><creatorcontrib>Contigiani, Marta Silvia</creatorcontrib><title>Transmission of endemic St Louis encephalitis virus strains by local Culex quinquefasciatus populations in Córdoba, Argentina</title><title>Transactions of the Royal Society of Tropical Medicine and Hygiene</title><addtitle>Trans R Soc Trop Med Hyg</addtitle><description>Background
St Louis encephalitis virus (SLEV) is a re-emerging human pathogen widely distributed in the American continent. Although it is not fully understood, the SLEV transmission network may involve Culex quinquefasciatus mosquitoes as vectors and Columbidae species as hosts.
Methods
To calculate infection rates, we inoculated Cx. quinquefasciatus mosquitoes from Córdoba, Argentina by feeding them on viremic chicks.
Results
We observed differences in infection rate among the viral strains, the highest rate (78/87 mosquitoes, 90.8%) being seen in strain 78V-6507. After re-feeding on susceptible chicks, mosquitoes were able to transmit the virus.
Conclusion
Our findings suggest that Cx. quinquefasciatus populations are susceptible to and able to transmit different SLEV strains.</description><subject>Animals</subject><subject>Arboviral encephalitis</subject><subject>Arboviroses</subject><subject>Argentina</subject><subject>Biological and medical sciences</subject><subject>Chickens - virology</subject><subject>Culex - virology</subject><subject>Disease Susceptibility</subject><subject>Encephalitis Virus, St. Louis - isolation & purification</subject><subject>Encephalitis, St. Louis - epidemiology</subject><subject>Encephalitis, St. Louis - transmission</subject><subject>Encephalitis, St. Louis - virology</subject><subject>Endemic Diseases</subject><subject>General aspects</subject><subject>Human viral diseases</subject><subject>Humans</subject><subject>Infectious diseases</subject><subject>Insect Vectors - virology</subject><subject>Medical sciences</subject><subject>Miscellaneous</subject><subject>Tropical viral diseases</subject><subject>Viral diseases</subject><subject>Viremia - transmission</subject><issn>0035-9203</issn><issn>1878-3503</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1v1DAQhi1ERbeFI1fkCxKHpvgjXifHasWXtFIPlHM0SWxq5Nipx0b0wp_iJ_DHarQLPSJZGnn06J2Zh5CXnF1y1su3OWFebmvJTMgnZMM73TVSMfmUbBiTqukFk6fkDPEbY0Jx1T8jp0K2uq1vQ37eJAi4OEQXA42WmjCbxU30c6b7WBzWxmTWW_Au1893lwpSzAlcQDreUx8n8HRXvPlB74oLd8VYwMlBrtwa1-Ih12SkLtDd719pjiNc0Kv01YTsAjwnJxY8mhfHek6-vH93s_vY7K8_fNpd7ZtJtEw2_cwFtFYAm3mv561pRyktF7LeMwolhOx7rri2ZmvUrAzo2UKresW2IEwn5Tl5c8hdU6wrYh7qyZPxHoKJBQcuhdai09u2os0BnVJETMYOa3ILpPuBs-GP8uGgfDgor_yrY3QZFzP_o_86rsDrI1DFgLdV-OTwkdNCd1zoxx1jWf8z8wHIH5yS</recordid><startdate>201305</startdate><enddate>201305</enddate><creator>Diaz, Luis Adrián</creator><creator>Flores, Fernando Sebastián</creator><creator>Beranek, Mauricio</creator><creator>Rivarola, Maria Elisa</creator><creator>Almirón, Walter Ricardo</creator><creator>Contigiani, Marta Silvia</creator><general>Oxford University Press</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>201305</creationdate><title>Transmission of endemic St Louis encephalitis virus strains by local Culex quinquefasciatus populations in Córdoba, Argentina</title><author>Diaz, Luis Adrián ; Flores, Fernando Sebastián ; Beranek, Mauricio ; Rivarola, Maria Elisa ; Almirón, Walter Ricardo ; Contigiani, Marta Silvia</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c2403-9d12a4f2a0d197d6e4b33f123515b25223991517fe6e5d5ea7dfa459506a2e833</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Animals</topic><topic>Arboviral encephalitis</topic><topic>Arboviroses</topic><topic>Argentina</topic><topic>Biological and medical sciences</topic><topic>Chickens - virology</topic><topic>Culex - virology</topic><topic>Disease Susceptibility</topic><topic>Encephalitis Virus, St. Louis - isolation & purification</topic><topic>Encephalitis, St. Louis - epidemiology</topic><topic>Encephalitis, St. Louis - transmission</topic><topic>Encephalitis, St. Louis - virology</topic><topic>Endemic Diseases</topic><topic>General aspects</topic><topic>Human viral diseases</topic><topic>Humans</topic><topic>Infectious diseases</topic><topic>Insect Vectors - virology</topic><topic>Medical sciences</topic><topic>Miscellaneous</topic><topic>Tropical viral diseases</topic><topic>Viral diseases</topic><topic>Viremia - transmission</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Diaz, Luis Adrián</creatorcontrib><creatorcontrib>Flores, Fernando Sebastián</creatorcontrib><creatorcontrib>Beranek, Mauricio</creatorcontrib><creatorcontrib>Rivarola, Maria Elisa</creatorcontrib><creatorcontrib>Almirón, Walter Ricardo</creatorcontrib><creatorcontrib>Contigiani, Marta Silvia</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Transactions of the Royal Society of Tropical Medicine and Hygiene</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Diaz, Luis Adrián</au><au>Flores, Fernando Sebastián</au><au>Beranek, Mauricio</au><au>Rivarola, Maria Elisa</au><au>Almirón, Walter Ricardo</au><au>Contigiani, Marta Silvia</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Transmission of endemic St Louis encephalitis virus strains by local Culex quinquefasciatus populations in Córdoba, Argentina</atitle><jtitle>Transactions of the Royal Society of Tropical Medicine and Hygiene</jtitle><addtitle>Trans R Soc Trop Med Hyg</addtitle><date>2013-05</date><risdate>2013</risdate><volume>107</volume><issue>5</issue><spage>332</spage><epage>334</epage><pages>332-334</pages><issn>0035-9203</issn><eissn>1878-3503</eissn><coden>TRSTAZ</coden><abstract>Background
St Louis encephalitis virus (SLEV) is a re-emerging human pathogen widely distributed in the American continent. Although it is not fully understood, the SLEV transmission network may involve Culex quinquefasciatus mosquitoes as vectors and Columbidae species as hosts.
Methods
To calculate infection rates, we inoculated Cx. quinquefasciatus mosquitoes from Córdoba, Argentina by feeding them on viremic chicks.
Results
We observed differences in infection rate among the viral strains, the highest rate (78/87 mosquitoes, 90.8%) being seen in strain 78V-6507. After re-feeding on susceptible chicks, mosquitoes were able to transmit the virus.
Conclusion
Our findings suggest that Cx. quinquefasciatus populations are susceptible to and able to transmit different SLEV strains.</abstract><cop>Oxford</cop><pub>Oxford University Press</pub><pmid>23474474</pmid><doi>10.1093/trstmh/trt023</doi><tpages>3</tpages><oa>free_for_read</oa></addata></record> |
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| source | MEDLINE; Oxford University Press Journals All Titles (1996-Current); Alma/SFX Local Collection |
| subjects | Animals Arboviral encephalitis Arboviroses Argentina Biological and medical sciences Chickens - virology Culex - virology Disease Susceptibility Encephalitis Virus, St. Louis - isolation & purification Encephalitis, St. Louis - epidemiology Encephalitis, St. Louis - transmission Encephalitis, St. Louis - virology Endemic Diseases General aspects Human viral diseases Humans Infectious diseases Insect Vectors - virology Medical sciences Miscellaneous Tropical viral diseases Viral diseases Viremia - transmission |
| title | Transmission of endemic St Louis encephalitis virus strains by local Culex quinquefasciatus populations in Córdoba, Argentina |
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