Plasmodium vivax malaria incidence over time and its association with temperature and rainfall in four counties of Yunnan Province, China

Malaria Journal
Nicola A WardropArchie Ca Clements

Abstract

Transmission of Plasmodium vivax malaria is dependent on vector availability, biting rates and parasite development. In turn, each of these is influenced by climatic conditions. Correlations have previously been detected between seasonal rainfall, temperature and malaria incidence patterns in various settings. An understanding of seasonal patterns of malaria, and their weather drivers, can provide vital information for control and elimination activities. This research aimed to describe temporal patterns in malaria, rainfall and temperature, and to examine the relationships between these variables within four counties of Yunnan Province, China. Plasmodium vivax malaria surveillance data (1991-2006), and average monthly temperature and rainfall were acquired. Seasonal trend decomposition was used to examine secular trends and seasonal patterns in malaria. Distributed lag non-linear models were used to estimate the weather drivers of malaria seasonality, including the lag periods between weather conditions and malaria incidence. There was a declining trend in malaria incidence in all four counties. Increasing temperature resulted in increased malaria risk in all four areas and increasing rainfall resulted in increased malaria risk...Continue Reading

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Citations

May 10, 2019·British Medical Bulletin·Emily Y Y ChanHolly C Y Lam
Oct 3, 2019·International Journal of Environmental Research and Public Health·Naohiko MatsushitaMasahiro Hashizume
Jul 1, 2020·The American Journal of Tropical Medicine and Hygiene·Xiaotao ZhaoJaranit Kaewkungwal
Jan 15, 2019·Tropical Medicine and Health·Adilson José DePinaEl Hadji Amadou Niang
Feb 11, 2020·BMC Medicine·Michele NguyenDaniel J Weiss
Sep 29, 2017·Transactions of the Royal Society of Tropical Medicine and Hygiene·Samuel HundessaYuming Guo
Aug 5, 2020·The American Journal of Tropical Medicine and Hygiene·Kinley WangdiArchie C A Clements
Jan 3, 2021·Bulletin of Mathematical Biology·Somya MehraJennifer A Flegg
Jan 5, 2021·Environmental Science and Pollution Research International·Zhidong LiuPeng Bi
Mar 7, 2021·International Journal of Environmental Research and Public Health·Srean ChhimBunkea Tol
Feb 18, 2021·Statistical Methods in Medical Research·Chawarat RotejanaprasertRichard J Maude

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Software Mentioned

R package “ dlnm ”

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