Dengue is placing huge burdens on the Malaysian healthcare system as well as the economy. With the expansion in the number of high-rise residential buildings, particularly in the urban centers, the flight range and behavior of mosquitoes may be altered in this habitat type. In this study, we aimed to expand the understanding of the vertical distribution and dispersal of in nine selected high-rise residences in Kuala Lumpur, Selangor, and Johor using ovitraps as the sampling method. We discovered that is the predominant species in all study sites. Both and are most abundant within the first three levels and could be found up to level 21 (approximately 61.1-63.0 m). Pearson correlation analyses exhibited negative correlations in eight out of nine study sites between the ovitrap indexes (OIs) within each floor level, suggesting that density decreased as the building level increased. Our findings provide information to the public health authorities on 'hot spot' floors for effective suppression of dengue transmission.
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http://dx.doi.org/10.3390/tropicalmed5030114 | DOI Listing |
Environ Epidemiol
February 2025
Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, New York.
Background: Utility services for electricity, gas, heat, and hot water are necessities for everyday activities (e.g., lighting, cooking, and thermal safety).
View Article and Find Full Text PDFStud Health Technol Inform
November 2024
Singapore University of Technology and Design, Singapore.
Dementia is a critical issue in Singapore - 1 in 10 older adults (60 years or above) suffers from Dementia. Exacerbating the issue, many people living with dementia (PLWDs) are housebound as present outdoor environments are not conducive for them to navigate their local neighbourhoods. Moreover, Singapore's high-rise, high-density, and hyper-sensorial outdoor environment demands a unique, localised approach that renders guidelines done elsewhere less applicable.
View Article and Find Full Text PDFJ Am Geriatr Soc
December 2024
Women's Age Lab, Women's College Hospital, Toronto, Ontario, Canada.
J Urban Health
December 2024
Department of Epidemiology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, the Netherlands.
Studies investigating the potential health effects of floor of residence have reported conflicting results. In the Rotterdam Study, we examined associations between floor and mortality among elderly residents of a neighborhood of Rotterdam, the Netherlands. Participants who were high-rise residents at baseline (n = 2330) were followed for 10 years, until loss to follow-up or death (N = 602).
View Article and Find Full Text PDFUntil the 1990s and the spread of air-conditioning, cooling down during the hot, humid and windless summers in the city of Chongqing (Southwest China) was mainly practised outdoors: sleeping on the rooftops of multistorey buildings, playing mah-jongg in the streets, fanning oneself with a hand fan or installing bamboo beds in the compounds' leafy courtyards. With the availability of affordable electricity and the popularisation of mechanical cooling, refreshing oneself has been relocated to the indoors. The transforming practices in and around the house have led not only to an increasing dependency on electricity for cooling but also to a socio-economic stratification.
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