A prospective cohort study linking migration, climate, and malaria risk in the Peruvian Amazon
Migration is an important risk factor for malaria transmission for malaria transmission, creating networks that connect Plasmodium between communities. This study aims to understand the timing of why people in the Peruvian Amazon migrated and how characteristics of these migrants are associated with malaria risk. A cohort of 2,202 participants was followed for three years (July 2006 - October 2009), with thrice-weekly active surveillance to record infection and recent travel, which included travel destination(s) and duration away. Migration occurred more frequently in the dry season, but the 7-day rolling mean (7DRM) streamflow was positively correlated with migration events (OR 1.25 (95% CI: 1.138, 1.368)). High-frequency and low-frequency migrant populations reported 9.7 (IRR 7.59 (95% CI:.381, 13.160)) and 4.1 (IRR 2.89 (95% CI: 1.636, 5.099)) times more P. vivax cases than those considered non-migrants and 30.7 (IRR 32.42 (95% CI: 7.977, 131.765)) and 7.4 (IRR 7.44 (95% CI: 1.783, 31.066)) times more P. falciparum cases, respectively. High-frequency migrants employed in manual labour within their community were at 2.45 (95% CI: 1.113, 5.416) times higher risk than non-employed low-frequency migrants. This study confirms the importance of migration for malaria risk as well as factors increasing risk among the migratory community, including, sex, occupation, and educational status.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:151 |
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| Enthalten in: |
Epidemiology and infection - 151(2023) vom: 30. Nov., Seite e202 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Gunderson, Annika K [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Completed 22.12.2023 Date Revised 10.02.2024 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1017/S0950268823001838 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Migration is an important risk factor for malaria transmission for malaria transmission, creating networks that connect Plasmodium between communities. This study aims to understand the timing of why people in the Peruvian Amazon migrated and how characteristics of these migrants are associated with malaria risk. A cohort of 2,202 participants was followed for three years (July 2006 - October 2009), with thrice-weekly active surveillance to record infection and recent travel, which included travel destination(s) and duration away. Migration occurred more frequently in the dry season, but the 7-day rolling mean (7DRM) streamflow was positively correlated with migration events (OR 1.25 (95% CI: 1.138, 1.368)). High-frequency and low-frequency migrant populations reported 9.7 (IRR 7.59 (95% CI:.381, 13.160)) and 4.1 (IRR 2.89 (95% CI: 1.636, 5.099)) times more P. vivax cases than those considered non-migrants and 30.7 (IRR 32.42 (95% CI: 7.977, 131.765)) and 7.4 (IRR 7.44 (95% CI: 1.783, 31.066)) times more P. falciparum cases, respectively. High-frequency migrants employed in manual labour within their community were at 2.45 (95% CI: 1.113, 5.416) times higher risk than non-employed low-frequency migrants. This study confirms the importance of migration for malaria risk as well as factors increasing risk among the migratory community, including, sex, occupation, and educational status | ||
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| 700 | 1 | |a Recalde-Coronel, Cristina |e verfasserin |4 aut | |
| 700 | 1 | |a Zaitchick, Benjamin F |e verfasserin |4 aut | |
| 700 | 1 | |a Yori, Pablo Peñataro |e verfasserin |4 aut | |
| 700 | 1 | |a Rengifo Pinedo, Silvia |e verfasserin |4 aut | |
| 700 | 1 | |a Paredes Olortegui, Maribel |e verfasserin |4 aut | |
| 700 | 1 | |a Kosek, Margaret |e verfasserin |4 aut | |
| 700 | 1 | |a Vinetz, Joseph M |e verfasserin |4 aut | |
| 700 | 1 | |a Pan, William K |e verfasserin |4 aut | |
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