Studies on the potential and public health importance of non-biting synanthropic flies in the mechanical transmission of human enterohelminths
Background This study was aimed at examining the potential of non-biting synanthropic filth flies to acquire naturally eggs of human intestinal helminths from unsanitary sites, and its attendant public health importance. Methods Body surface washings and gut contents of flies caught foraging while i...
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| Veröffentlicht in: | Transactions of the Royal Society of Tropical Medicine and Hygiene 2013-12, Vol.107 (12), p.812-818 |
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| creator | Adenusi, Adedotun A. Adewoga, Thomas O. S. |
| description | Background
This study was aimed at examining the potential of non-biting synanthropic filth flies to acquire naturally eggs of human intestinal helminths from unsanitary sites, and its attendant public health importance.
Methods
Body surface washings and gut contents of flies caught foraging while infected human faeces lay exposed at a garbage dump in Iperu, Ogun State, Nigeria and within 24 hours subsequently after removal of faeces from the dump were examined parasitologically by the formol-ether concentration technique. The viability of helminth eggs isolated from flies was determined by incubation under laboratory conditions.
Results
A total of 303 flies were examined: Musca domestica (107; 35.3%), Chrysomya megacephala (125; 41.3%) and Musca sorbens (71; 23.4%). Eggs of Ascaris lumbricoides and Trichuris trichiura isolated from exposed human faeces were recovered from the body surfaces and or gut contents of flies caught before (141; 77.5%) and after removal of exposed faeces (44; 36.4%). Eggs of Taenia sp. were isolated only from the gut contents of three C. megacephala flies caught after removal of exposed faeces. Significantly more (p |
| doi_str_mv | 10.1093/trstmh/trt095 |
| format | Article |
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This study was aimed at examining the potential of non-biting synanthropic filth flies to acquire naturally eggs of human intestinal helminths from unsanitary sites, and its attendant public health importance.
Methods
Body surface washings and gut contents of flies caught foraging while infected human faeces lay exposed at a garbage dump in Iperu, Ogun State, Nigeria and within 24 hours subsequently after removal of faeces from the dump were examined parasitologically by the formol-ether concentration technique. The viability of helminth eggs isolated from flies was determined by incubation under laboratory conditions.
Results
A total of 303 flies were examined: Musca domestica (107; 35.3%), Chrysomya megacephala (125; 41.3%) and Musca sorbens (71; 23.4%). Eggs of Ascaris lumbricoides and Trichuris trichiura isolated from exposed human faeces were recovered from the body surfaces and or gut contents of flies caught before (141; 77.5%) and after removal of exposed faeces (44; 36.4%). Eggs of Taenia sp. were isolated only from the gut contents of three C. megacephala flies caught after removal of exposed faeces. Significantly more (p<0.05) eggs were recovered from fly gut contents than body surfaces and from flies caught before than after removal of exposed faeces. 93.1% (552; from exposed faeces) and 57.4% (408; from flies) of A. lumbricoides and T. trichiura eggs were viable.
Conclusions
Synanthropic flies may, because they carry viable eggs acquired naturally from unsanitary sites, be involved in the epidemiology of human intestinal helminthiases.</description><identifier>ISSN: 0035-9203</identifier><identifier>EISSN: 1878-3503</identifier><identifier>DOI: 10.1093/trstmh/trt095</identifier><identifier>PMID: 24128876</identifier><identifier>CODEN: TRSTAZ</identifier><language>eng</language><publisher>Oxford: Oxford University Press</publisher><subject>Animals ; Ascaris lumbricoides - parasitology ; Biological and medical sciences ; Diptera - parasitology ; Disease Transmission, Infectious ; Feces - parasitology ; General aspects ; Helminthiasis - epidemiology ; Helminthiasis - transmission ; Helminths - isolation & purification ; Houseflies - parasitology ; Humans ; Insect Vectors - parasitology ; Intestinal Diseases, Parasitic - epidemiology ; Intestinal Diseases, Parasitic - transmission ; Medical sciences ; Nigeria - epidemiology ; Parasite Egg Count ; Public Health ; Trichuris - parasitology</subject><ispartof>Transactions of the Royal Society of Tropical Medicine and Hygiene, 2013-12, Vol.107 (12), p.812-818</ispartof><rights>The Author 2013. Published by Oxford University Press on behalf of Royal Society of Tropical Medicine and Hygiene. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com. 2013</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c356t-a40444cec39cc1b4d760fb9e08cabc3a11f819ec5a20f1b213418ac4d7f99b033</citedby><cites>FETCH-LOGICAL-c356t-a40444cec39cc1b4d760fb9e08cabc3a11f819ec5a20f1b213418ac4d7f99b033</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=27933044$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/24128876$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Adenusi, Adedotun A.</creatorcontrib><creatorcontrib>Adewoga, Thomas O. S.</creatorcontrib><title>Studies on the potential and public health importance of non-biting synanthropic flies in the mechanical transmission of human enterohelminths</title><title>Transactions of the Royal Society of Tropical Medicine and Hygiene</title><addtitle>Trans R Soc Trop Med Hyg</addtitle><description>Background
This study was aimed at examining the potential of non-biting synanthropic filth flies to acquire naturally eggs of human intestinal helminths from unsanitary sites, and its attendant public health importance.
Methods
Body surface washings and gut contents of flies caught foraging while infected human faeces lay exposed at a garbage dump in Iperu, Ogun State, Nigeria and within 24 hours subsequently after removal of faeces from the dump were examined parasitologically by the formol-ether concentration technique. The viability of helminth eggs isolated from flies was determined by incubation under laboratory conditions.
Results
A total of 303 flies were examined: Musca domestica (107; 35.3%), Chrysomya megacephala (125; 41.3%) and Musca sorbens (71; 23.4%). Eggs of Ascaris lumbricoides and Trichuris trichiura isolated from exposed human faeces were recovered from the body surfaces and or gut contents of flies caught before (141; 77.5%) and after removal of exposed faeces (44; 36.4%). Eggs of Taenia sp. were isolated only from the gut contents of three C. megacephala flies caught after removal of exposed faeces. Significantly more (p<0.05) eggs were recovered from fly gut contents than body surfaces and from flies caught before than after removal of exposed faeces. 93.1% (552; from exposed faeces) and 57.4% (408; from flies) of A. lumbricoides and T. trichiura eggs were viable.
Conclusions
Synanthropic flies may, because they carry viable eggs acquired naturally from unsanitary sites, be involved in the epidemiology of human intestinal helminthiases.</description><subject>Animals</subject><subject>Ascaris lumbricoides - parasitology</subject><subject>Biological and medical sciences</subject><subject>Diptera - parasitology</subject><subject>Disease Transmission, Infectious</subject><subject>Feces - parasitology</subject><subject>General aspects</subject><subject>Helminthiasis - epidemiology</subject><subject>Helminthiasis - transmission</subject><subject>Helminths - isolation & purification</subject><subject>Houseflies - parasitology</subject><subject>Humans</subject><subject>Insect Vectors - parasitology</subject><subject>Intestinal Diseases, Parasitic - epidemiology</subject><subject>Intestinal Diseases, Parasitic - transmission</subject><subject>Medical sciences</subject><subject>Nigeria - epidemiology</subject><subject>Parasite Egg Count</subject><subject>Public Health</subject><subject>Trichuris - parasitology</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>eNqFkbFO5DAQhq0Tp2PhrqRFbpBoAuM42Y1LhOBAQqIA6mjiHROjxA62U_ASPPMZZTlKqmk-f_94fsaOBJwJUPI8hZjGPo8Eqv7BVqLZNIWsQe6xFYCsC1WC3GcHMb4AlLWo1S-2X1aibJrNesXeH9K8tRS5dzz1xCefyCWLA0e35dPcDVbznnBIPbfj5ENCp4l7w513RWeTdc88vjl0qQ9-yrAZPnR20Y2ke3RWZ18K6OJoY7Q5Kr_v5xEdz2EUfE_DaLMh_mY_DQ6R_uzmIXu6vnq8vCnu7v_eXl7cFVrW61RgBVVVadJSaS26artZg-kUQaOx0xKFMI1QpGsswYiuFLISDerMGaU6kPKQnS7eKfjXmWJq82aahgEd-Tm2oqqVWINQkNFiQXXwMQYy7RTsiOGtFdB-VNAuFbRLBZk_3qnnbqTtf_rz5hk42QEY82FMvou28YvbKCnz97529PP0TeY_8Z6jjw</recordid><startdate>20131201</startdate><enddate>20131201</enddate><creator>Adenusi, Adedotun A.</creator><creator>Adewoga, Thomas O. S.</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>20131201</creationdate><title>Studies on the potential and public health importance of non-biting synanthropic flies in the mechanical transmission of human enterohelminths</title><author>Adenusi, Adedotun A. ; Adewoga, Thomas O. S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c356t-a40444cec39cc1b4d760fb9e08cabc3a11f819ec5a20f1b213418ac4d7f99b033</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Animals</topic><topic>Ascaris lumbricoides - parasitology</topic><topic>Biological and medical sciences</topic><topic>Diptera - parasitology</topic><topic>Disease Transmission, Infectious</topic><topic>Feces - parasitology</topic><topic>General aspects</topic><topic>Helminthiasis - epidemiology</topic><topic>Helminthiasis - transmission</topic><topic>Helminths - isolation & purification</topic><topic>Houseflies - parasitology</topic><topic>Humans</topic><topic>Insect Vectors - parasitology</topic><topic>Intestinal Diseases, Parasitic - epidemiology</topic><topic>Intestinal Diseases, Parasitic - transmission</topic><topic>Medical sciences</topic><topic>Nigeria - epidemiology</topic><topic>Parasite Egg Count</topic><topic>Public Health</topic><topic>Trichuris - parasitology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adenusi, Adedotun A.</creatorcontrib><creatorcontrib>Adewoga, Thomas O. S.</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>Adenusi, Adedotun A.</au><au>Adewoga, Thomas O. S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Studies on the potential and public health importance of non-biting synanthropic flies in the mechanical transmission of human enterohelminths</atitle><jtitle>Transactions of the Royal Society of Tropical Medicine and Hygiene</jtitle><addtitle>Trans R Soc Trop Med Hyg</addtitle><date>2013-12-01</date><risdate>2013</risdate><volume>107</volume><issue>12</issue><spage>812</spage><epage>818</epage><pages>812-818</pages><issn>0035-9203</issn><eissn>1878-3503</eissn><coden>TRSTAZ</coden><abstract>Background
This study was aimed at examining the potential of non-biting synanthropic filth flies to acquire naturally eggs of human intestinal helminths from unsanitary sites, and its attendant public health importance.
Methods
Body surface washings and gut contents of flies caught foraging while infected human faeces lay exposed at a garbage dump in Iperu, Ogun State, Nigeria and within 24 hours subsequently after removal of faeces from the dump were examined parasitologically by the formol-ether concentration technique. The viability of helminth eggs isolated from flies was determined by incubation under laboratory conditions.
Results
A total of 303 flies were examined: Musca domestica (107; 35.3%), Chrysomya megacephala (125; 41.3%) and Musca sorbens (71; 23.4%). Eggs of Ascaris lumbricoides and Trichuris trichiura isolated from exposed human faeces were recovered from the body surfaces and or gut contents of flies caught before (141; 77.5%) and after removal of exposed faeces (44; 36.4%). Eggs of Taenia sp. were isolated only from the gut contents of three C. megacephala flies caught after removal of exposed faeces. Significantly more (p<0.05) eggs were recovered from fly gut contents than body surfaces and from flies caught before than after removal of exposed faeces. 93.1% (552; from exposed faeces) and 57.4% (408; from flies) of A. lumbricoides and T. trichiura eggs were viable.
Conclusions
Synanthropic flies may, because they carry viable eggs acquired naturally from unsanitary sites, be involved in the epidemiology of human intestinal helminthiases.</abstract><cop>Oxford</cop><pub>Oxford University Press</pub><pmid>24128876</pmid><doi>10.1093/trstmh/trt095</doi><tpages>7</tpages></addata></record> |
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| subjects | Animals Ascaris lumbricoides - parasitology Biological and medical sciences Diptera - parasitology Disease Transmission, Infectious Feces - parasitology General aspects Helminthiasis - epidemiology Helminthiasis - transmission Helminths - isolation & purification Houseflies - parasitology Humans Insect Vectors - parasitology Intestinal Diseases, Parasitic - epidemiology Intestinal Diseases, Parasitic - transmission Medical sciences Nigeria - epidemiology Parasite Egg Count Public Health Trichuris - parasitology |
| title | Studies on the potential and public health importance of non-biting synanthropic flies in the mechanical transmission of human enterohelminths |
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