How is climate change influencing the spread of vector-borne diseases?

By Pooja Toshniwal PahariaMar 18 2024Reviewed by Lily Ramsey, LLM In a recent review published in Nature Reviews Microbiology, researchers discussed the impact of climate change, weather, and other anthropogenic factors on vector-borne illness spread globally.

These impacts may include ecosystem collapses, species extinctions, and extreme weather events of increased frequency and intensity. Extreme weather events such as heavy rainfall, wind, floods, or temperature fluctuations can severely disrupt dipteran vectors, like mosquitoes with a brief life cycle. Floodwater mosquitoes, like Aedes ochraceus and Aedes vexans, can spread Dirofilaria immitis and Rift Valley fever virus .

Effects of land usage on climate change and vector-borne diseases Land use changes, defined by activities like agriculture, resource extraction, and urban growth, can significantly contribute to climatic change by reducing biodiversity and carbon capture and storage. Agricultural transformation offers various societal benefits but can also impact vector-borne infection risk. For example, irrigation equipment for rice farming alters malaria, dengue fever, and Japanese encephalitis risks.

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