Microclimate variables of the ambient environment deliver the actual estimates of the extrinsic incubation period of Plasmodium vivax and Plasmodium falciparum: a study from a malaria-endemic urban setting, Chennai in India

Malaria Journal
Shalu ThomasAlex Eapen

Abstract

Environmental factors such as temperature, relative humidity and their daily variation influence a range of mosquito life history traits and hence, malaria transmission. The standard way of characterizing environmental factors with meteorological station data need not be the actual microclimates experienced by mosquitoes within local transmission settings. A year-long study was conducted in Chennai, India to characterize local temperature and relative humidity (RH). Data loggers (Hobos) were placed in a range of probable indoor and outdoor resting sites of Anopheles stephensi. Recordings were taken hourly to estimate mean temperature and RH, together with daily temperature range (DTR) and daily relative humidity range. The temperature data were used to explore the predicted variation in extrinsic incubation period (EIP) of Plasmodium falciparum and Plasmodium vivax between microhabitats and across the year. Mean daily temperatures within the indoor settings were significantly warmer than those recorded outdoors. DTR in indoor environments was observed to be modest and ranged from 2 to 6 °C. Differences in EIP between microhabitats were most notable during the hottest summer months of April-June, with parasite development predic...Continue Reading

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Citations

Apr 6, 2019·Mathematical Biosciences and Engineering : MBE·Ann Nwankwo, Daniel Okuonghae
Aug 29, 2018·ELife·Marta Strecker ShocketErin A Mordecai
Aug 18, 2020·Journal of Parasitic Diseases : Official Organ of the Indian Society for Parasitology·Rajasekhar MopuriSriram Kumaraswamy
Jan 5, 2021·Medical and Veterinary Entomology·F G SauerE Kiel
Dec 23, 2020·International Journal of Environmental Research and Public Health·Theophilus I EmetoKazi M Rahman
Mar 30, 2021·Trends in Parasitology·Michael C WimberlyWilliam K Pan
May 8, 2021·Parasites & Vectors·Tatiane M P OliveiraMaria Anice Mureb Sallum
Apr 19, 2021·Ecology·Brunno F OliveiraBrett R Scheffers

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Software Mentioned

Hoboware Lite
SPSS
Google Earth Pro

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