Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand
In a prospective study of the total population of 5 hamlets on the western border of Thailand, all subjects were screened for helminth infections; during the following year, the incidence of malaria was recorded. Patients were not treated for helminth infections. Among 731 villagers, helminth-infect...
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th-mahidol.200072018-07-24T10:01:38Z Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand M. Nacher P. Singhasivanon S. Yimsamran W. Manibunyong N. Thanyavanich P. Wuthisen S. Looareesuwan Mahidol University Agricultural and Biological Sciences Immunology and Microbiology In a prospective study of the total population of 5 hamlets on the western border of Thailand, all subjects were screened for helminth infections; during the following year, the incidence of malaria was recorded. Patients were not treated for helminth infections. Among 731 villagers, helminth-infected subjects were more likely to develop falciparum malaria during the following year (adjusted risk ratio 2.24, range 1.4-3.6; P = 0.001). The risk of developing falciparum malaria increased with the number of helminth species (P =0.036). Whereas in other studies helminths were associated with protection from severe complications of malaria, it seemed here that helminth infected patients were more likely to develop malaria. It is suggested that a helminth-mediated Th2 shift may have complex consequences on malaria, decreasing antisporozoite immunity, but protecting against severe malaria. 2018-07-24T02:55:40Z 2018-07-24T02:55:40Z 2002-01-01 Article Journal of Parasitology. Vol.88, No.1 (2002), 55-58 10.1645/0022-3395(2002)088[0055:IHIAAW]2.0.CO;2 00223395 2-s2.0-0036193838 https://repository.li.mahidol.ac.th/handle/123456789/20007 Mahidol University SCOPUS https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0036193838&origin=inward |
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Agricultural and Biological Sciences Immunology and Microbiology M. Nacher P. Singhasivanon S. Yimsamran W. Manibunyong N. Thanyavanich P. Wuthisen S. Looareesuwan Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand |
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In a prospective study of the total population of 5 hamlets on the western border of Thailand, all subjects were screened for helminth infections; during the following year, the incidence of malaria was recorded. Patients were not treated for helminth infections. Among 731 villagers, helminth-infected subjects were more likely to develop falciparum malaria during the following year (adjusted risk ratio 2.24, range 1.4-3.6; P = 0.001). The risk of developing falciparum malaria increased with the number of helminth species (P =0.036). Whereas in other studies helminths were associated with protection from severe complications of malaria, it seemed here that helminth infected patients were more likely to develop malaria. It is suggested that a helminth-mediated Th2 shift may have complex consequences on malaria, decreasing antisporozoite immunity, but protecting against severe malaria. |
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Mahidol University |
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Mahidol University M. Nacher P. Singhasivanon S. Yimsamran W. Manibunyong N. Thanyavanich P. Wuthisen S. Looareesuwan |
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Article |
author |
M. Nacher P. Singhasivanon S. Yimsamran W. Manibunyong N. Thanyavanich P. Wuthisen S. Looareesuwan |
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M. Nacher |
title |
Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand |
title_short |
Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand |
title_full |
Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand |
title_fullStr |
Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand |
title_full_unstemmed |
Intestinal helminth infections are associated with increased incidence of Plasmodium falciparum malaria in Thailand |
title_sort |
intestinal helminth infections are associated with increased incidence of plasmodium falciparum malaria in thailand |
publishDate |
2018 |
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https://repository.li.mahidol.ac.th/handle/123456789/20007 |
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1763487437511720960 |