176 resultados para Charters
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The objective of this study was to determine the epidemiological significance of subterranean mosquito breeding sites to the 1993 outbreak of dengue fever (type 2) in the northern Queensland town of Charters Towers, Australia. In recent studies on subterranean mosquito breeding, containers such as wells and service manholes have been shown to be important breeding sites to Australia's only dengue vector, Aedes aegypti (L.). This study demonstrates a direct epidemiological association between subterranean breeding sites and dengue virus infection. The mean distance between residents seropositive for dengue 2 and the nearest subterranean container (113 m) was significantly less than for a randomly selected control (191 m), (F = 81.9; df = 1, 478; P < 0.001). Residents positive for dengue 2 antibodies was 2.47 (95% confidence interval 1.88-3.24) times higher for those living within 160 m of a well or service manhole, compared with those residing further away. These findings emphasize the importance of including subterranean water containers in Ae. aegypti surveillance and control programs.
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Mode of access: Internet.
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Imperfect: two plates wanting.
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Mode of access: Internet.
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Corrigenda, [1] leaf, inserted before sign. B.
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Mode of access: Internet.
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Compiled by John Evelyn (not the diarist) cf. Brit. mus. Catalogue.
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Mode of access: Internet.
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Edited by George F. Warner, keeper of mss.
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Vol. 1 is reprinted, with addition of an index, from the Bulletin of the John Rylands Library, v. 7-8, 1922/23-1924.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.
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Edited by Sir E. M. Thompson, keeper of mss.