{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,11,2]],"date-time":"2025-11-02T10:25:59Z","timestamp":1762079159505},"reference-count":16,"publisher":"Cambridge University Press (CUP)","issue":"3","license":[{"start":{"date-parts":[[2009,6,5]],"date-time":"2009-06-05T00:00:00Z","timestamp":1244160000000},"content-version":"unspecified","delay-in-days":7217,"URL":"https:\/\/www.cambridge.org\/core\/terms"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J. Helminthol."],"published-print":{"date-parts":[[1989,9]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:p>The pattern of transmission of human schistosomiasis was studied in Amagunze Village, eastern Nigeria, during 1986\u20131987. The prevalence of <jats:italic>Schistosoma haematobium<\/jats:italic> in 119 schoolboys aged 5\u201312 years was 79%. The geometric mean of intensity of infection was 49 eggs\/10 ml urine and the frequency of visible haematuria was 25\u00b72%. No <jats:italic>S. mansoni<\/jats:italic> infections were demonstrated. A marked seasonality in population density of <jats:italic>Bulinus truncatus, B. forskalii<\/jats:italic> and <jats:italic>Biomphalaria pfeifferi<\/jats:italic> was demonstrated with reduced densities during the late rainy and early dry seasons. <jats:italic>Schistosoma<\/jats:italic> sp. infected <jats:italic>B. truncatus<\/jats:italic> were found in the late dry and early rainy seasons in 2 out of 7 major human water contact sites studied. Seasonality and focality of transmission of <jats:italic>S. haematobium<\/jats:italic> and its high endemicity in the area were thus demonstrated.<\/jats:p>","DOI":"10.1017\/s0022149x00008993","type":"journal-article","created":{"date-parts":[[2009,6,5]],"date-time":"2009-06-05T15:17:42Z","timestamp":1244215062000},"page":"206-212","source":"Crossref","is-referenced-by-count":15,"title":["Endemicity, focality and seasonality of transmission of human schistosomiasis in Amagunze Village, eastern Nigeria"],"prefix":"10.1017","volume":"63","author":[{"given":"N. A.","family":"Ozumba","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"N. \u00d8.","family":"Christensen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A. B. C.","family":"Nwosu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"O. C.","family":"Nwaorgu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"56","published-online":{"date-parts":[[2009,6,5]]},"reference":[{"key":"S0022149X00008993_ref003","first-page":"105","volume":"25","author":"Cowper","year":"1973","journal-title":"Tropical and Geographical Medicine"},{"key":"S0022149X00008993_ref005","volume-title":"Atlas of the Global Distribution of Schistosomiasis","author":"Doumenge","year":"1987"},{"key":"S0022149X00008993_ref001","first-page":"109","volume":"23","author":"Abayomi","year":"1971","journal-title":"Tropical and Geographical Medicine"},{"key":"S0022149X00008993_ref020","doi-asserted-by":"publisher","DOI":"10.1016\/0035-9203(79)90134-2"},{"key":"S0022149X00008993_ref017","volume-title":"Introduction to Parasitology in Tropical Africa","author":"Ukoli","year":"1984"},{"key":"S0022149X00008993_ref016","doi-asserted-by":"crossref","first-page":"349","DOI":"10.1080\/00034983.1980.11687351","volume":"74","author":"Tayo","year":"1980","journal-title":"Annals of Tropical Medicine and Parasitology"},{"key":"S0022149X00008993_ref015","first-page":"241","volume":"42","author":"Sarda","year":"1985","journal-title":"Acta Tropica"},{"key":"S0022149X00008993_ref014","doi-asserted-by":"crossref","first-page":"471","DOI":"10.1080\/00034983.1978.11719347","volume":"72","author":"Pugh","year":"1978","journal-title":"Annals of Tropical Medicine and Parasitology"},{"key":"S0022149X00008993_ref013","first-page":"598","volume":"74","author":"Pugh","year":"1980","journal-title":"Annals of Tropical Medicine and Parasitology"},{"key":"S0022149X00008993_ref012","doi-asserted-by":"crossref","first-page":"189","DOI":"10.1080\/00034983.1979.11720799","volume":"73","author":"Pugh","year":"1979","journal-title":"Annals of Tropical Medicine and Parasitology"},{"key":"S0022149X00008993_ref011","first-page":"265","volume":"90","author":"Klumpp","year":"1987","journal-title":"Journal of Tropical Medicine and Hygiene"},{"key":"S0022149X00008993_ref009","doi-asserted-by":"publisher","DOI":"10.1016\/0035-9203(83)90005-6"},{"key":"S0022149X00008993_ref010","doi-asserted-by":"crossref","first-page":"198","DOI":"10.1080\/00034983.1966.11686406","volume":"60","author":"Hira","year":"1966","journal-title":"Annals of Tropical Medicine and Parasitology"},{"key":"S0022149X00008993_ref007","first-page":"181","volume":"41","author":"Frandsen","year":"1984","journal-title":"Acta Tropica"},{"key":"S0022149X00008993_ref006","first-page":"175","volume":"33","author":"Ejezie","year":"1981","journal-title":"Tropical and Geographical Medicine"},{"key":"S0022149X00008993_ref002","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1080\/00034983.1963.11686184","volume":"57","author":"Cowper","year":"1963","journal-title":"Annals of Tropical Medicine and Parasitology"}],"container-title":["Journal of Helminthology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.cambridge.org\/core\/services\/aop-cambridge-core\/content\/view\/S0022149X00008993","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2019,5,19]],"date-time":"2019-05-19T19:42:15Z","timestamp":1558294935000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.cambridge.org\/core\/product\/identifier\/S0022149X00008993\/type\/journal_article"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1989,9]]},"references-count":16,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1989,9]]}},"alternative-id":["S0022149X00008993"],"URL":"https:\/\/doi.org\/10.1017\/s0022149x00008993","relation":{},"ISSN":["0022-149X","1475-2697"],"issn-type":[{"value":"0022-149X","type":"print"},{"value":"1475-2697","type":"electronic"}],"subject":[],"published":{"date-parts":[[1989,9]]}}}