Spatial pattern assessment of dengue fever risk in subtropical urban environments: The case of Hong Kong

Yin, Shi; Hua, Junyi; Ren, Chao; Wang, Runxi; Weemaels, André Ibáñez; Guénard, Benoit; Shi, Yuan; Lee, Tsz-cheung; Yuan, Hsiang‐Yu; Chong, Ka Chun; Tian, Linwei

doi:10.1016/j.landurbplan.2023.104815

Cited by 5 publications

(3 citation statements)

References 50 publications

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“…Urbanization has emerged as a significant driving force, given the ongoing global migration of the population toward urban centers. This phenomenon has led the establishment of densely populated regions that offer favorable conditions for the proliferation of Aedes mosquitoes, known as dengue virus vectors 23,24 . Insufficient urban planning, inadequate water storage techniques, and substandard sanitation systems in numerous metropolitan areas have contributed to the proliferation of mosquito breeding places, hence generating optimal circumstances for the spread of dengue.…”

Section: Possible Reasons Behind the Frequent Dengue Outbreaksmentioning

confidence: 99%

“…This phenomenon has led the establishment of densely populated regions that offer favorable conditions for the proliferation of Aedes mosquitoes, known as dengue virus vectors. 23 , 24 Insufficient urban planning, inadequate water storage techniques, and substandard sanitation systems in numerous metropolitan areas have contributed to the proliferation of mosquito breeding places, hence generating optimal circumstances for the spread of dengue. Furthermore, there has been a significant increase in international travel and trade, which has resulted in infected individuals transporting the virus across national boundaries.…”

Section: Possible Reasons Behind the Frequent Dengue Outbreaksmentioning

confidence: 99%

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Upsurge of dengue outbreaks in several WHO regions: Public awareness, vector control activities, and international collaborations are key to prevent spread

Sarker,

Roknuzzaman,

Haque

et al. 2024

Health Science Reports

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BackgroundDengue, the world's fastest‐growing vector‐borne disease, has skyrocketed in the 21st century. Dengue has harmed human health since its first known cases among Spanish soldiers in the Philippines to its 21st‐century outbreaks in Southeast Asia, the Pacific, and the Americas. In light of the current circumstances, it is imperative to investigate its origin and prevalence, enabling the implementation of effective interventions to curb the upsurge.MethodsOur study examines the history of dengue outbreaks, and evolving impact on public health, aiming to offer valuable insights for a more resilient public health response worldwide. In this comprehensive review, we incorporated data from renowned databases such as PubMed, Google Scholar, and Scopus to provide a thorough analysis of dengue outbreaks.ResultsRecent dengue outbreaks are associated with rapid urbanization, international travel, climatic change, and socioeconomic factors. Rapid urbanization and poor urban design and sanitation have created mosquito breeding places for dengue vectors. Also, international travel and trade have spread the pathogen. Climate change in the past two decades has favored mosquito habitats and outbreaks. Socioeconomic differences have also amplified the impact of dengue outbreaks on vulnerable communities. Dengue mitigation requires vector control, community engagement, healthcare strengthening, and international cooperation.ConclusionClimate change adaptation and urban planning are crucial. Although problems remain, a comprehensive vector control and community involvement plan may reduce dengue epidemics and improve public health in our interconnected world.

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Section: Possible Reasons Behind the Frequent Dengue Outbreaksmentioning

confidence: 99%

Section: Possible Reasons Behind the Frequent Dengue Outbreaksmentioning

confidence: 99%

Upsurge of dengue outbreaks in several WHO regions: Public awareness, vector control activities, and international collaborations are key to prevent spread

Sarker,

Roknuzzaman,

Haque

et al. 2024

Health Science Reports

View full text Add to dashboard Cite

show abstract

“…Several limitations exist within this study. The mosquito activity may also be influenced by other human-induced factors, such as land use type and urbanization process (27,28). Control measures may have been taken specifically around those Gravidtrap sites.…”

Section: Limitations and Future Workmentioning

confidence: 99%

Association of Human Mobility and Weather Conditions with Dengue Mosquito Abundance during the COVID-19 Pandemic in Hong Kong

Zheng,

Yue,

Wong

et al. 2024

Preprint

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Background While Aedes mosquitoes, the Dengue vectors, were expected to expand their spread due to international travel and climate change, the effects of human mobility and low rainfall conditions on them are largely unknown. We aimed to assess these influences during the COVID-19 pandemic in Hong Kong, characterized by varying levels of human mobility. Methods Google′s human mobility indices (including residential, parks and workplaces) and weather conditions (total rainfall and mean temperature) together with Aedes albopictus abundance and extensiveness monitored using Gravidtrap were obtained between April 2020 and August 2022. Distributed lag non-linear models with mixed-effects models were used to explore their influence in three areas in Hong Kong. Findings The relative risk (RR) of mosquito abundance was associated with low rainfall (<50 mm) after 4.5 months, with a maximum of 1.73, compared with 300 mm. Heavy rainfall (>500 mm) within 3 months was also associated with a peak of RR at 1.41. Warm conditions (21-30 ° C; compared with 20 ° C) were associated with a higher RR of 1.47 after half a month. Residential mobility was negatively associated with mosquito abundance. The model projected that if residential mobility in the year 2022 was reduced to the level before the COVID-19 pandemic, the mosquito abundance would increase by an average of 80.49% compared to the actual observation. Significance Both the human mobility and the lag effect of meteorological factors can be critical for the prediction of vector dynamics, and stay-at-home policy may be useful for its control in certain regions.

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Spatial weighting: modification of the spatial area proximity matrix weights

Munir

2024

Int. j. inf. tecnol.

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Spatial pattern assessment of dengue fever risk in subtropical urban environments: The case of Hong Kong

Cited by 5 publications

References 50 publications

Upsurge of dengue outbreaks in several WHO regions: Public awareness, vector control activities, and international collaborations are key to prevent spread

Upsurge of dengue outbreaks in several WHO regions: Public awareness, vector control activities, and international collaborations are key to prevent spread

Association of Human Mobility and Weather Conditions with Dengue Mosquito Abundance during the COVID-19 Pandemic in Hong Kong

Spatial weighting: modification of the spatial area proximity matrix weights

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