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How does climate change influence mosquito-borne diseases?
Climate change creates warmer temperatures and increased rainfall, which expand mosquito habitats and breeding grounds. This leads to more mosquitoes and a higher chance of disease transmission, especially in urban areas where water collects easily.
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Why are dengue cases rising in Bangladesh and Hong Kong?
Bangladesh faces prolonged monsoons and urban growth, providing ideal breeding sites for mosquitoes. Hong Kong’s rising temperatures and heavy rainfall, combined with increased international travel, have led to record dengue and chikungunya cases.
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What health risks do these outbreaks pose to local populations?
Mosquito-borne diseases like dengue can cause severe fever, pain, and in some cases, life-threatening complications. Outbreaks strain healthcare systems and increase the risk of widespread illness, especially in vulnerable populations.
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What measures can be taken to prevent future outbreaks?
Preventive measures include reducing standing water where mosquitoes breed, using insect repellent, installing mosquito nets, and improving urban sanitation. Governments are also working on better disease surveillance and public awareness campaigns.
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How is global travel affecting the spread of mosquito-borne diseases?
International travel allows infected individuals and mosquitoes to move across borders, spreading diseases to new regions. This makes controlling outbreaks more challenging and highlights the need for global cooperation and monitoring.
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Are other regions at risk of similar outbreaks?
Yes, many regions with warm climates and urban environments are vulnerable. As climate change continues, areas previously unaffected may see increased mosquito activity and disease transmission, emphasizing the importance of global preparedness.