Climate Change and Vector-Borne Diseases: Dengue and Malaria Risks in Urban Bangladesh
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Abstract
Mosquito-transmitted diseases are likely to become more common in urban Bangladesh because of climate change. Densely populated cities are experiencing factors like high temperatures, erratic rainfall, and poor drainage which are ideal conditions for populations of Aedes and Anopheles mosquitoes. We examined annual data on immunization, nutrition, health equity, disease prevalence, and service accessibility from 1994 to 2023. Descriptive statistics and trend analysis were used to assess changes over time. The research discovered that the prevalence of the varying conditions peaked at 26.5% between 1994 and 1995 and had the lower bound of the peak at 10.7% by 1995, before subsequently resuming some intermittent spikes. The lower burden after 2000 was associated with the high vaccination (98%) and improved nutrition (above 85). However, regression was attributed to declining equity and service coverage. The combination of social inequalities, climate variability, and effective treatment resulted in the stagnant, yet inconsistent decrease in prevalence. The social and economic dimensions of change, along with vector borne disease control programs, have direct and cumulative effects on the scope of the problem. Despite achieved improvements in nutrition and vaccination programs, inequities in healthcare access and declining health equity stalled progress.
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Publication Details
- Type of Publication:
- Conference Name: 7th International Conference on Integrated Sciences
- Date of Conference: 25/10/2025 - 25/10/2025
- Venue: Eastern University Campus, Ashulia Model Town, Dhaka, Bangladesh
- Organizer: Eastern University, Bangladesh