Dengue vector control and surveillance during a major outbreak in a coastal Red Sea area in Sudan
An unprecedented dengue outbreak occurred in 2010 in Port Sudan city, Sudan. Dengue incidence was 94 cases per 10 000 observed over 17 epidemiological weeks (total cases = 3 765). We report here the impact of the vector control response plan to the outbreak, which mainly entailed house inspection an...
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| Veröffentlicht in: | Eastern Mediterranean health journal 2012-12, Vol.18 (12), p.1217-1224 |
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| creator | Seidahmed, O M E Siam, H A M Soghaier, M A Abubakr, M Osman, H A Abd Elrhman, L S Elmagbol, B Velayudhan, R |
| description | An unprecedented dengue outbreak occurred in 2010 in Port Sudan city, Sudan. Dengue incidence was 94 cases per 10 000 observed over 17 epidemiological weeks (total cases = 3 765). We report here the impact of the vector control response plan to the outbreak, which mainly entailed house inspection and insecticide space spraying. In total 3 048 houses were inspected during vector surveillance and 19 794 larvae and 3 240 pupae of Aedes aegypti were collected. Entomological indices decreased during the period: house index declined from 100% to 16% (F= 57.8, P < 0.001) and pupal/person (P/P) index from 0.77 to 0.10 (F= 3.06, P < 0.01) in weeks 9 and 21 respectively. This decline was accompanied by a decrease in cases from a peak of 341 cases in week 13 to zero in week 29 and the end of the outbreak. There was a significant correlation between the entomological parameters and dengue incidence (R2 = 0.83, F= 23.9, P < 0.001). Integrated epidemiological and vector surveillance is essential to an effective dengue control programme |
| format | Article |
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Dengue incidence was 94 cases per 10 000 observed over 17 epidemiological weeks (total cases = 3 765). We report here the impact of the vector control response plan to the outbreak, which mainly entailed house inspection and insecticide space spraying. In total 3 048 houses were inspected during vector surveillance and 19 794 larvae and 3 240 pupae of Aedes aegypti were collected. Entomological indices decreased during the period: house index declined from 100% to 16% (F= 57.8, P < 0.001) and pupal/person (P/P) index from 0.77 to 0.10 (F= 3.06, P < 0.01) in weeks 9 and 21 respectively. This decline was accompanied by a decrease in cases from a peak of 341 cases in week 13 to zero in week 29 and the end of the outbreak. There was a significant correlation between the entomological parameters and dengue incidence (R2 = 0.83, F= 23.9, P < 0.001). 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Dengue incidence was 94 cases per 10 000 observed over 17 epidemiological weeks (total cases = 3 765). We report here the impact of the vector control response plan to the outbreak, which mainly entailed house inspection and insecticide space spraying. In total 3 048 houses were inspected during vector surveillance and 19 794 larvae and 3 240 pupae of Aedes aegypti were collected. Entomological indices decreased during the period: house index declined from 100% to 16% (F= 57.8, P < 0.001) and pupal/person (P/P) index from 0.77 to 0.10 (F= 3.06, P < 0.01) in weeks 9 and 21 respectively. This decline was accompanied by a decrease in cases from a peak of 341 cases in week 13 to zero in week 29 and the end of the outbreak. There was a significant correlation between the entomological parameters and dengue incidence (R2 = 0.83, F= 23.9, P < 0.001). Integrated epidemiological and vector surveillance is essential to an effective dengue control programme</description><subject>Aedes - virology</subject><subject>Animals</subject><subject>Dengue - epidemiology</subject><subject>Dengue - prevention & control</subject><subject>Epidemics</subject><subject>Humans</subject><subject>Incidence</subject><subject>Indian Ocean</subject><subject>Insect Vectors - virology</subject><subject>Insecticides - administration & dosage</subject><subject>Larva</subject><subject>Mosquito Control - methods</subject><subject>Mosquito Control - statistics & numerical data</subject><subject>Population Surveillance</subject><subject>Pupa</subject><subject>Sudan - epidemiology</subject><subject>Water</subject><issn>1020-3397</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNo1kMtqwzAURLVoadK0v1C07MYgS7Yey5I-IVCouzfX0k1wakupZAX693VouhqYOQzDXJBlyTgrhDBqQa5T2jPGta74FVlwIVgpjFwSeES_y0iPaKcQqQ1-imGg4B1NOR6xHwbwFqnLsfc7CnSE_cyFPHUR4Yv2fvZsgDTBQD_Q0QaBwhydkiY78DfkcgtDwtuzrkjz_PS5fi027y9v64dNcailLECLuqolqypeAigpuq2ymkurpZFV7RgzShpTc1tLbZnppNO6hK1AVUpRiRW5_2s9xPCdMU3t2CeLp_UYcmpLruYjhFYn9O6M5m5E1x5iP0L8af9PEb929VsP</recordid><startdate>201212</startdate><enddate>201212</enddate><creator>Seidahmed, O M E</creator><creator>Siam, H A M</creator><creator>Soghaier, M A</creator><creator>Abubakr, M</creator><creator>Osman, H A</creator><creator>Abd Elrhman, L S</creator><creator>Elmagbol, B</creator><creator>Velayudhan, R</creator><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7X8</scope></search><sort><creationdate>201212</creationdate><title>Dengue vector control and surveillance during a major outbreak in a coastal Red Sea area in Sudan</title><author>Seidahmed, O M E ; Siam, H A M ; Soghaier, M A ; Abubakr, M ; Osman, H A ; Abd Elrhman, L S ; Elmagbol, B ; Velayudhan, R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p566-a83545604421aa763bf7c826c869645d009769952c568c09b6d881af3e716343</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Aedes - virology</topic><topic>Animals</topic><topic>Dengue - epidemiology</topic><topic>Dengue - prevention & control</topic><topic>Epidemics</topic><topic>Humans</topic><topic>Incidence</topic><topic>Indian Ocean</topic><topic>Insect Vectors - virology</topic><topic>Insecticides - administration & dosage</topic><topic>Larva</topic><topic>Mosquito Control - methods</topic><topic>Mosquito Control - statistics & numerical data</topic><topic>Population Surveillance</topic><topic>Pupa</topic><topic>Sudan - epidemiology</topic><topic>Water</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Seidahmed, O M E</creatorcontrib><creatorcontrib>Siam, H A M</creatorcontrib><creatorcontrib>Soghaier, M A</creatorcontrib><creatorcontrib>Abubakr, M</creatorcontrib><creatorcontrib>Osman, H A</creatorcontrib><creatorcontrib>Abd Elrhman, L S</creatorcontrib><creatorcontrib>Elmagbol, B</creatorcontrib><creatorcontrib>Velayudhan, R</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>MEDLINE - Academic</collection><jtitle>Eastern Mediterranean health journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Seidahmed, O M E</au><au>Siam, H A M</au><au>Soghaier, M A</au><au>Abubakr, M</au><au>Osman, H A</au><au>Abd Elrhman, L S</au><au>Elmagbol, B</au><au>Velayudhan, R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dengue vector control and surveillance during a major outbreak in a coastal Red Sea area in Sudan</atitle><jtitle>Eastern Mediterranean health journal</jtitle><addtitle>East Mediterr Health J</addtitle><date>2012-12</date><risdate>2012</risdate><volume>18</volume><issue>12</issue><spage>1217</spage><epage>1224</epage><pages>1217-1224</pages><issn>1020-3397</issn><abstract>An unprecedented dengue outbreak occurred in 2010 in Port Sudan city, Sudan. Dengue incidence was 94 cases per 10 000 observed over 17 epidemiological weeks (total cases = 3 765). We report here the impact of the vector control response plan to the outbreak, which mainly entailed house inspection and insecticide space spraying. In total 3 048 houses were inspected during vector surveillance and 19 794 larvae and 3 240 pupae of Aedes aegypti were collected. Entomological indices decreased during the period: house index declined from 100% to 16% (F= 57.8, P < 0.001) and pupal/person (P/P) index from 0.77 to 0.10 (F= 3.06, P < 0.01) in weeks 9 and 21 respectively. This decline was accompanied by a decrease in cases from a peak of 341 cases in week 13 to zero in week 29 and the end of the outbreak. There was a significant correlation between the entomological parameters and dengue incidence (R2 = 0.83, F= 23.9, P < 0.001). Integrated epidemiological and vector surveillance is essential to an effective dengue control programme</abstract><cop>Egypt</cop><pmid>23301396</pmid><tpages>8</tpages></addata></record> |
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| subjects | Aedes - virology Animals Dengue - epidemiology Dengue - prevention & control Epidemics Humans Incidence Indian Ocean Insect Vectors - virology Insecticides - administration & dosage Larva Mosquito Control - methods Mosquito Control - statistics & numerical data Population Surveillance Pupa Sudan - epidemiology Water |
| title | Dengue vector control and surveillance during a major outbreak in a coastal Red Sea area in Sudan |
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