Temporal dynamic of malaria in a suburban area along the Niger River
العنوان: | Temporal dynamic of malaria in a suburban area along the Niger River |
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المؤلفون: | Nadine Dessay, Siaka Goita, Jean Gaudart, Yacouba Samake, Ogobara K. Doumbo, Abdoulaye Dabo, Renaud Piarroux, Mahamadou S. Sissoko, Mama Yena, Kourane Sissoko, Bourama Kamate |
المساهمون: | Sciences Economiques et Sociales de la Santé & Traitement de l'Information Médicale (SESSTIM - U912 INSERM - Aix Marseille Univ - IRD), Institut de Recherche pour le Développement (IRD)-Aix Marseille Université (AMU)-Institut National de la Santé et de la Recherche Médicale (INSERM), Malaria Research and Training Center (MRTC), Faculté de Médecine de Bamako, Département d'Epidémiologie des Affections parasitaires, Malaria Research and training center Université de Bamako, Mali, Université de Bamako, UMR 228 Espace-Dev, Espace pour le développement, Institut de Recherche pour le Développement (IRD)-Université de Perpignan Via Domitia (UPVD)-Avignon Université (AU)-Université de La Réunion (UR)-Université de Montpellier (UM)-Université de Guyane (UG)-Université des Antilles (UA), Institut Pierre Louis d'Epidémiologie et de Santé Publique (iPLESP), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de la Santé et de la Recherche Médicale (INSERM), Aix Marseille Université (AMU), Dessay, Nadine, Institut de Recherche pour le Développement (IRD)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Aix Marseille Université (AMU), Université de Guyane (UG)-Université des Antilles (UA)-Institut de Recherche pour le Développement (IRD)-Université de Perpignan Via Domitia (UPVD)-Avignon Université (AU)-Université de La Réunion (UR)-Université de Montpellier (UM) |
المصدر: | Malaria Journal Malaria Journal, BioMed Central, 2017, 16 (1), pp.420. ⟨10.1186/s12936-017-2068-5⟩ Malaria Journal, Vol 16, Iss 1, Pp 1-10 (2017) Malaria Journal, 2017, 16 (1), pp.420. ⟨10.1186/s12936-017-2068-5⟩ |
بيانات النشر: | HAL CCSD, 2017. |
سنة النشر: | 2017 |
مصطلحات موضوعية: | Meteorological Concepts, [SHS.GEO] Humanities and Social Sciences/Geography, Mali, Population density, 0302 clinical medicine, Water Cycle, [SDV.MHEP.MI]Life Sciences [q-bio]/Human health and pathology/Infectious diseases, Dry season, 030212 general & internal medicine, ComputingMilieux_MISCELLANEOUS, education.field_of_study, Incidence, [SHS.GEO]Humanities and Social Sciences/Geography, 6. Clean water, 3. Good health, Infectious Diseases, [SDV.MHEP.MI] Life Sciences [q-bio]/Human health and pathology/Infectious diseases, Seasons, lcsh:Arctic medicine. Tropical medicine, lcsh:RC955-962, Lag, 030231 tropical medicine, Population, Context (language use), Environment, lcsh:Infectious and parasitic diseases, 03 medical and health sciences, Rivers, Urbanization, Transmission heterogeneity, parasitic diseases, medicine, Humans, [SDV.EE.SANT] Life Sciences [q-bio]/Ecology, environment/Health, lcsh:RC109-216, Environmental risk factors, education, [SDV.EE.SANT]Life Sciences [q-bio]/Ecology, environment/Health, Research, Generalized additive model, medicine.disease, Malaria, 13. Climate action, [SDV.SPEE] Life Sciences [q-bio]/Santé publique et épidémiologie, Environmental science, Parasitology, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, Physical geography, Hydrology |
الوصف: | Background Even if rainfall and temperature are factors classically associated to malaria, little is known about other meteorological factors, their variability and combinations related to malaria, in association with river height variations. Furthermore, in suburban area, urbanization and growing population density should be assessed in relation to these environmental factors. The aim of this study was to assess the impact of combined environmental, meteorological and hydrological factors on malaria incidence through time in the context of urbanization. Methods Population observational data were prospectively collected. Clinical malaria was defined as the presence of parasites in addition to clinical symptoms. Meteorological and hydrological factors were measured daily. For each factors variation indices were estimated. Urbanization was yearly estimated assessing satellite imaging and field investigations. Principal component analysis was used for dimension reduction and factors combination. Lags between malaria incidences and the main components were assessed by cross-correlation functions. Generalized additive model was used to assess relative impact of different environmental components, taking into account lags, and modelling non-linear relationships. Change-point analysis was used to determine transmission periods within years. Results Malaria incidences were dominated by annual periodicity and varied through time without modification of the dynamic, with no impact of the urbanization. The main meteorological factor associated with malaria was a combination of evaporation, humidity and rainfall, with a lag of 3 months. The relationship between combined temperature factors showed a linear impact until reaching high temperatures limiting malaria incidence, with a lag 3.25 months. Height and variation of the river were related to malaria incidence (respectively 6 week lag and no lag). Conclusions The study emphasizes no decreasing trend of malaria incidence despite accurate access to care and control strategies in accordance to international recommendations. Furthermore, no decreasing trend was showed despite the urbanization of the area. Malaria transmission remain increase 3 months after the beginning of the dry season. Addition to evaporation versus humidity/rainfall, nonlinear relationship for temperature and river height and variations have to be taken into account when implementing malaria control programmes. |
وصف الملف: | application/pdf; text/pdf |
اللغة: | English |
تدمد: | 1475-2875 |
URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff48d723045d7a07ac70ec2e63306cb9 https://hal.archives-ouvertes.fr/hal-01629835 |
حقوق: | OPEN |
رقم الأكسشن: | edsair.doi.dedup.....ff48d723045d7a07ac70ec2e63306cb9 |
قاعدة البيانات: | OpenAIRE |
تدمد: | 14752875 |
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