Japanese encephalitis in Sri Lanka: comparison of vector and virus ecology in different agro-climatic areas
The ecology of Japanese encephalitis (JE) in different agro-climatological areas of Sri Lanka was studied in relation to the abundance of mosquito vectors, infection in domestic livestock, and human infection and disease. There was an inverse correlation between altitude and the abundance of potenti...
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| Veröffentlicht in: | Transactions of the Royal Society of Tropical Medicine and Hygiene 1993-09, Vol.87 (5), p.541-548 |
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| container_title | Transactions of the Royal Society of Tropical Medicine and Hygiene |
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| creator | Peiris, J.S.M. Amerasinghe, F.P. Arunagiri, C.K. Perera, L.P. Karunaratne, S.H.P.P. Ratnayake, C.B. Kulatilaka, T.A. Abeysinghe, M.R.N. |
| description | The ecology of Japanese encephalitis (JE) in different agro-climatological areas of Sri Lanka was studied in relation to the abundance of mosquito vectors, infection in domestic livestock, and human infection and disease. There was an inverse correlation between altitude and the abundance of potential JE vectors, as well as JE seroprevalence in domestic livestock and in man. Little or no JE infection was documented above 1200 m elevation. JE seroprevalences in cattle and goats were better predictors of human infection risk than was porcine seroprevalence. In areas with asynchronous porcine infection occurring over many months, high overall JE seroprevalence in pigs was found with little evidence of human infection. Porcine JE infection occurring in synchronous bursts associated with monsoonal rains was correlated with significant bovine, ovine and human seroprevalence in 2 low elevation study areas, Anuradhapura (dry zone) and Ragama (wet zone), with epidemic human JE in the former area and endemic disease in the latter. |
| doi_str_mv | 10.1016/0035-9203(93)90080-A |
| format | Article |
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There was an inverse correlation between altitude and the abundance of potential JE vectors, as well as JE seroprevalence in domestic livestock and in man. Little or no JE infection was documented above 1200 m elevation. JE seroprevalences in cattle and goats were better predictors of human infection risk than was porcine seroprevalence. In areas with asynchronous porcine infection occurring over many months, high overall JE seroprevalence in pigs was found with little evidence of human infection. Porcine JE infection occurring in synchronous bursts associated with monsoonal rains was correlated with significant bovine, ovine and human seroprevalence in 2 low elevation study areas, Anuradhapura (dry zone) and Ragama (wet zone), with epidemic human JE in the former area and endemic disease in the latter.</description><identifier>ISSN: 0035-9203</identifier><identifier>EISSN: 1878-3503</identifier><identifier>DOI: 10.1016/0035-9203(93)90080-A</identifier><identifier>PMID: 7903495</identifier><identifier>CODEN: TRSTAZ</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Adolescent ; Altitude ; Animals ; Animals, Domestic - immunology ; Antibodies, Viral - analysis ; Arboviral encephalitis ; Arboviroses ; Biological and medical sciences ; Cattle ; Child ; Climate ; Culicidae ; Dogs ; Encephalitis Virus, Japanese - immunology ; Encephalitis, Japanese - epidemiology ; Encephalitis, Japanese - veterinary ; Female ; Human viral diseases ; Humans ; Infectious diseases ; Insect Vectors ; Male ; Medical sciences ; Prevalence ; Rabbits ; Rural Population ; Seasons ; Sri Lanka - epidemiology ; Swine ; Swine Diseases - epidemiology ; Tropical medicine ; Tropical viral diseases ; Viral diseases</subject><ispartof>Transactions of the Royal Society of Tropical Medicine and Hygiene, 1993-09, Vol.87 (5), p.541-548</ispartof><rights>1993</rights><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c339t-a3f770cacf05d997c7acd353db8d4e17350995de3b2b486ae5c78c49fb1454483</citedby><cites>FETCH-LOGICAL-c339t-a3f770cacf05d997c7acd353db8d4e17350995de3b2b486ae5c78c49fb1454483</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>309,310,314,780,784,789,790,23930,23931,25140,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3792067$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/7903495$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Peiris, J.S.M.</creatorcontrib><creatorcontrib>Amerasinghe, F.P.</creatorcontrib><creatorcontrib>Arunagiri, C.K.</creatorcontrib><creatorcontrib>Perera, L.P.</creatorcontrib><creatorcontrib>Karunaratne, S.H.P.P.</creatorcontrib><creatorcontrib>Ratnayake, C.B.</creatorcontrib><creatorcontrib>Kulatilaka, T.A.</creatorcontrib><creatorcontrib>Abeysinghe, M.R.N.</creatorcontrib><title>Japanese encephalitis in Sri Lanka: comparison of vector and virus ecology in different agro-climatic areas</title><title>Transactions of the Royal Society of Tropical Medicine and Hygiene</title><addtitle>Trans R Soc Trop Med Hyg</addtitle><description>The ecology of Japanese encephalitis (JE) in different agro-climatological areas of Sri Lanka was studied in relation to the abundance of mosquito vectors, infection in domestic livestock, and human infection and disease. There was an inverse correlation between altitude and the abundance of potential JE vectors, as well as JE seroprevalence in domestic livestock and in man. Little or no JE infection was documented above 1200 m elevation. JE seroprevalences in cattle and goats were better predictors of human infection risk than was porcine seroprevalence. In areas with asynchronous porcine infection occurring over many months, high overall JE seroprevalence in pigs was found with little evidence of human infection. Porcine JE infection occurring in synchronous bursts associated with monsoonal rains was correlated with significant bovine, ovine and human seroprevalence in 2 low elevation study areas, Anuradhapura (dry zone) and Ragama (wet zone), with epidemic human JE in the former area and endemic disease in the latter.</description><subject>Adolescent</subject><subject>Altitude</subject><subject>Animals</subject><subject>Animals, Domestic - immunology</subject><subject>Antibodies, Viral - analysis</subject><subject>Arboviral encephalitis</subject><subject>Arboviroses</subject><subject>Biological and medical sciences</subject><subject>Cattle</subject><subject>Child</subject><subject>Climate</subject><subject>Culicidae</subject><subject>Dogs</subject><subject>Encephalitis Virus, Japanese - immunology</subject><subject>Encephalitis, Japanese - epidemiology</subject><subject>Encephalitis, Japanese - veterinary</subject><subject>Female</subject><subject>Human viral diseases</subject><subject>Humans</subject><subject>Infectious diseases</subject><subject>Insect Vectors</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Prevalence</subject><subject>Rabbits</subject><subject>Rural Population</subject><subject>Seasons</subject><subject>Sri Lanka - epidemiology</subject><subject>Swine</subject><subject>Swine Diseases - epidemiology</subject><subject>Tropical medicine</subject><subject>Tropical viral diseases</subject><subject>Viral diseases</subject><issn>0035-9203</issn><issn>1878-3503</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kU-LFDEQxYMo67j6DRRyENFDa7qTTJI9CMP6Z9UBERVlL6E6qV7j9HTapGdwv71pZpijEMjh_d6j6hUhj2v2smb18hVjXFamYfy54S8MY5pVqztkUWulKy4Zv0sWJ-Q-eZDzb8YaWUtzRs6UYVwYuSCbjzDCgBkpDg7HX9CHKWQaBvo1BbqGYQMX1MXtCCnkONDY0T26KSYKg6f7kHaZoot9vLmdTT50HSYcJgo3KVauD1uYgqOQEPJDcq-DPuOj439Ovr97--3yqlp_fv_hcrWuHOdmqoB3SjEHrmPSG6OcAue55L7VXmCtym7GSI-8bVqhl4DSKe2E6dpaSCE0PyfPDrljin92mCe7Ddlh35dF4y5btawbLUVTQHEAXYo5J-zsmMrA6dbWzM4d27lAOxdoTXlzx3ZVbE-O-bt2i_5kOpZa9KdHHbKDvkswuJBPGFclcKkKVh2wkCf8e5IhbWxRlbRXP6_t-lrrL28-NfZH4V8feCzd7QMmm12Yr-ZDKiexPob_z_0P1XSoAA</recordid><startdate>199309</startdate><enddate>199309</enddate><creator>Peiris, J.S.M.</creator><creator>Amerasinghe, F.P.</creator><creator>Arunagiri, C.K.</creator><creator>Perera, L.P.</creator><creator>Karunaratne, S.H.P.P.</creator><creator>Ratnayake, C.B.</creator><creator>Kulatilaka, T.A.</creator><creator>Abeysinghe, M.R.N.</creator><general>Elsevier Ltd</general><general>Royal Society of Tropical Medicine and Hygiene</general><general>Elsevier</general><scope>BSCLL</scope><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>199309</creationdate><title>Japanese encephalitis in Sri Lanka: comparison of vector and virus ecology in different agro-climatic areas</title><author>Peiris, J.S.M. ; Amerasinghe, F.P. ; Arunagiri, C.K. ; Perera, L.P. ; Karunaratne, S.H.P.P. ; Ratnayake, C.B. ; Kulatilaka, T.A. ; Abeysinghe, M.R.N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c339t-a3f770cacf05d997c7acd353db8d4e17350995de3b2b486ae5c78c49fb1454483</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Adolescent</topic><topic>Altitude</topic><topic>Animals</topic><topic>Animals, Domestic - immunology</topic><topic>Antibodies, Viral - analysis</topic><topic>Arboviral encephalitis</topic><topic>Arboviroses</topic><topic>Biological and medical sciences</topic><topic>Cattle</topic><topic>Child</topic><topic>Climate</topic><topic>Culicidae</topic><topic>Dogs</topic><topic>Encephalitis Virus, Japanese - immunology</topic><topic>Encephalitis, Japanese - epidemiology</topic><topic>Encephalitis, Japanese - veterinary</topic><topic>Female</topic><topic>Human viral diseases</topic><topic>Humans</topic><topic>Infectious diseases</topic><topic>Insect Vectors</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Prevalence</topic><topic>Rabbits</topic><topic>Rural Population</topic><topic>Seasons</topic><topic>Sri Lanka - epidemiology</topic><topic>Swine</topic><topic>Swine Diseases - epidemiology</topic><topic>Tropical medicine</topic><topic>Tropical viral diseases</topic><topic>Viral diseases</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peiris, J.S.M.</creatorcontrib><creatorcontrib>Amerasinghe, F.P.</creatorcontrib><creatorcontrib>Arunagiri, C.K.</creatorcontrib><creatorcontrib>Perera, L.P.</creatorcontrib><creatorcontrib>Karunaratne, S.H.P.P.</creatorcontrib><creatorcontrib>Ratnayake, C.B.</creatorcontrib><creatorcontrib>Kulatilaka, T.A.</creatorcontrib><creatorcontrib>Abeysinghe, M.R.N.</creatorcontrib><collection>Istex</collection><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>Peiris, J.S.M.</au><au>Amerasinghe, F.P.</au><au>Arunagiri, C.K.</au><au>Perera, L.P.</au><au>Karunaratne, S.H.P.P.</au><au>Ratnayake, C.B.</au><au>Kulatilaka, T.A.</au><au>Abeysinghe, M.R.N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Japanese encephalitis in Sri Lanka: comparison of vector and virus ecology in different agro-climatic areas</atitle><jtitle>Transactions of the Royal Society of Tropical Medicine and Hygiene</jtitle><addtitle>Trans R Soc Trop Med Hyg</addtitle><date>1993-09</date><risdate>1993</risdate><volume>87</volume><issue>5</issue><spage>541</spage><epage>548</epage><pages>541-548</pages><issn>0035-9203</issn><eissn>1878-3503</eissn><coden>TRSTAZ</coden><abstract>The ecology of Japanese encephalitis (JE) in different agro-climatological areas of Sri Lanka was studied in relation to the abundance of mosquito vectors, infection in domestic livestock, and human infection and disease. There was an inverse correlation between altitude and the abundance of potential JE vectors, as well as JE seroprevalence in domestic livestock and in man. Little or no JE infection was documented above 1200 m elevation. JE seroprevalences in cattle and goats were better predictors of human infection risk than was porcine seroprevalence. In areas with asynchronous porcine infection occurring over many months, high overall JE seroprevalence in pigs was found with little evidence of human infection. Porcine JE infection occurring in synchronous bursts associated with monsoonal rains was correlated with significant bovine, ovine and human seroprevalence in 2 low elevation study areas, Anuradhapura (dry zone) and Ragama (wet zone), with epidemic human JE in the former area and endemic disease in the latter.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><pmid>7903495</pmid><doi>10.1016/0035-9203(93)90080-A</doi><tpages>8</tpages></addata></record> |
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| ispartof | Transactions of the Royal Society of Tropical Medicine and Hygiene, 1993-09, Vol.87 (5), p.541-548 |
| issn | 0035-9203 1878-3503 |
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| subjects | Adolescent Altitude Animals Animals, Domestic - immunology Antibodies, Viral - analysis Arboviral encephalitis Arboviroses Biological and medical sciences Cattle Child Climate Culicidae Dogs Encephalitis Virus, Japanese - immunology Encephalitis, Japanese - epidemiology Encephalitis, Japanese - veterinary Female Human viral diseases Humans Infectious diseases Insect Vectors Male Medical sciences Prevalence Rabbits Rural Population Seasons Sri Lanka - epidemiology Swine Swine Diseases - epidemiology Tropical medicine Tropical viral diseases Viral diseases |
| title | Japanese encephalitis in Sri Lanka: comparison of vector and virus ecology in different agro-climatic areas |
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