Climatic Controls on West Nile Virus and Sindbis Virus Transmission and Outbreaks in South Africa
The processes influencing the magnitude of West Nile virus (WNV) transmission from 1 year to the next require thorough investigation. The intensity of WNV transmission is related to the dynamics and interactions between the pathogen, vector, vertebrate hosts, and environment. Climatic variability is...
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| Veröffentlicht in: | Vector borne and zoonotic diseases (Larchmont, N.Y.) N.Y.), 2012-02, Vol.12 (2), p.117-125 |
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| container_title | Vector borne and zoonotic diseases (Larchmont, N.Y.) |
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| creator | Uejio, Christopher K. Kemp, Alan Comrie, Andrew C. |
| description | The processes influencing the magnitude of West Nile virus (WNV) transmission from 1 year to the next require thorough investigation. The intensity of WNV transmission is related to the dynamics and interactions between the pathogen, vector, vertebrate hosts, and environment. Climatic variability is one process that can influence interannual disease transmission. South Africa has a long WNV and Sindbis virus (SINV) record where consistent climate and disease relationships can be identified. We relate climate conditions to historic mosquito infection rates. Next, we detect similar associations with reported human outbreaks dating back to 1941. Both concurrent summer precipitation and the change in summer precipitation from the previous to the current summer were strongly associated with WNV and SINV transmission and recorded human outbreaks. Each 100 mm interannual summer precipitation change increased WNV infection rates by 0.39 WNV-positive
Culex univittatus
/1000 tested
Cx. univittatus
. An improved understanding of biotic and abiotic disease transmission dynamics may help anticipate and mitigate future outbreaks. |
| doi_str_mv | 10.1089/vbz.2011.0655 |
| format | Article |
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Culex univittatus
/1000 tested
Cx. univittatus
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Culex univittatus
/1000 tested
Cx. univittatus
. An improved understanding of biotic and abiotic disease transmission dynamics may help anticipate and mitigate future outbreaks.</description><subject>Alphavirus Infections - epidemiology</subject><subject>Alphavirus Infections - transmission</subject><subject>Animals</subject><subject>Climate</subject><subject>Columbidae - virology</subject><subject>Culex - growth & development</subject><subject>Culex - virology</subject><subject>Culex univittatus</subject><subject>Culicidae - virology</subject><subject>Disease Outbreaks</subject><subject>Ecosystem</subject><subject>Humans</subject><subject>Insect Vectors - virology</subject><subject>Original Articles</subject><subject>Rain</subject><subject>Regression Analysis</subject><subject>Risk Factors</subject><subject>Sentinel Surveillance</subject><subject>Sindbis Virus</subject><subject>South Africa - epidemiology</subject><subject>West Nile Fever - epidemiology</subject><subject>West Nile Fever - transmission</subject><subject>West Nile virus</subject><issn>1530-3667</issn><issn>1557-7759</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkDtPwzAURi0EouUxsiJvsKT4USfxWEW8pIoOLTBGtnMjDKlT7AQJfj2OWhhhutbno0_3HoTOKJlQksurD_01YYTSCUmF2ENjKkSWZJmQ-8Obk4SnaTZCRyG8EsJoTsUhGjEqpWApGSNVNHatOmtw0brOt03ArcPPEDr8YBvAT9b3AStX4aV1lbZhl6y8cmFtQ7ARH74Xfac9qLeArcPLtu9e8Kz21qgTdFCrJsDpbh6jx5vrVXGXzBe398Vsnhieyi7JKi4ZzUxKwWgFueD5lIJSFY2xYTrVpJZamQxYTaWqjGaKcACt8lQzXvFjdLHt3fj2vY8HlHE9A02jHLR9KGMNnRLGaCQv_yRp1MmIkJxFNNmixrcheKjLjY--_GeEysF_Gf2Xg_9y8B_58111r9dQ_dI_wiPAt8AQK-caCxp890_tN5Scku8</recordid><startdate>20120201</startdate><enddate>20120201</enddate><creator>Uejio, Christopher K.</creator><creator>Kemp, Alan</creator><creator>Comrie, Andrew C.</creator><general>Mary Ann Liebert, Inc</general><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>7SS</scope><scope>7U9</scope><scope>C1K</scope><scope>F1W</scope><scope>H94</scope><scope>H95</scope><scope>H97</scope><scope>L.G</scope><scope>7X8</scope></search><sort><creationdate>20120201</creationdate><title>Climatic Controls on West Nile Virus and Sindbis Virus Transmission and Outbreaks in South Africa</title><author>Uejio, Christopher K. ; Kemp, Alan ; Comrie, Andrew C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c369t-7d39217c61ecbae853841eaad1921c2b6b0f9bac7e2f19adcb2a03eeba86b23d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Alphavirus Infections - epidemiology</topic><topic>Alphavirus Infections - transmission</topic><topic>Animals</topic><topic>Climate</topic><topic>Columbidae - virology</topic><topic>Culex - growth & development</topic><topic>Culex - virology</topic><topic>Culex univittatus</topic><topic>Culicidae - virology</topic><topic>Disease Outbreaks</topic><topic>Ecosystem</topic><topic>Humans</topic><topic>Insect Vectors - virology</topic><topic>Original Articles</topic><topic>Rain</topic><topic>Regression Analysis</topic><topic>Risk Factors</topic><topic>Sentinel Surveillance</topic><topic>Sindbis Virus</topic><topic>South Africa - epidemiology</topic><topic>West Nile Fever - epidemiology</topic><topic>West Nile Fever - transmission</topic><topic>West Nile virus</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Uejio, Christopher K.</creatorcontrib><creatorcontrib>Kemp, Alan</creatorcontrib><creatorcontrib>Comrie, Andrew C.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Virology and AIDS Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>MEDLINE - Academic</collection><jtitle>Vector borne and zoonotic diseases (Larchmont, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Uejio, Christopher K.</au><au>Kemp, Alan</au><au>Comrie, Andrew C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Climatic Controls on West Nile Virus and Sindbis Virus Transmission and Outbreaks in South Africa</atitle><jtitle>Vector borne and zoonotic diseases (Larchmont, N.Y.)</jtitle><addtitle>Vector Borne Zoonotic Dis</addtitle><date>2012-02-01</date><risdate>2012</risdate><volume>12</volume><issue>2</issue><spage>117</spage><epage>125</epage><pages>117-125</pages><issn>1530-3667</issn><eissn>1557-7759</eissn><abstract>The processes influencing the magnitude of West Nile virus (WNV) transmission from 1 year to the next require thorough investigation. The intensity of WNV transmission is related to the dynamics and interactions between the pathogen, vector, vertebrate hosts, and environment. Climatic variability is one process that can influence interannual disease transmission. South Africa has a long WNV and Sindbis virus (SINV) record where consistent climate and disease relationships can be identified. We relate climate conditions to historic mosquito infection rates. Next, we detect similar associations with reported human outbreaks dating back to 1941. Both concurrent summer precipitation and the change in summer precipitation from the previous to the current summer were strongly associated with WNV and SINV transmission and recorded human outbreaks. Each 100 mm interannual summer precipitation change increased WNV infection rates by 0.39 WNV-positive
Culex univittatus
/1000 tested
Cx. univittatus
. An improved understanding of biotic and abiotic disease transmission dynamics may help anticipate and mitigate future outbreaks.</abstract><cop>United States</cop><pub>Mary Ann Liebert, Inc</pub><pmid>21995260</pmid><doi>10.1089/vbz.2011.0655</doi><tpages>9</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1530-3667 |
| ispartof | Vector borne and zoonotic diseases (Larchmont, N.Y.), 2012-02, Vol.12 (2), p.117-125 |
| issn | 1530-3667 1557-7759 |
| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Alphavirus Infections - epidemiology Alphavirus Infections - transmission Animals Climate Columbidae - virology Culex - growth & development Culex - virology Culex univittatus Culicidae - virology Disease Outbreaks Ecosystem Humans Insect Vectors - virology Original Articles Rain Regression Analysis Risk Factors Sentinel Surveillance Sindbis Virus South Africa - epidemiology West Nile Fever - epidemiology West Nile Fever - transmission West Nile virus |
| title | Climatic Controls on West Nile Virus and Sindbis Virus Transmission and Outbreaks in South Africa |
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