Pathogens on the Move as the Planet Warms
Half of the world’s population resides in regions where dengue fever is a prevalent threat. The U.S. Centers for Disease Control and Prevention (CDC) recently alerted healthcare professionals about the increased risk of dengue in areas of the United States. This mosquito-borne virus, commonly found in tropical climates, has seen a dramatic rise in cases in the Americas this year.
The spike in dengue cases in the region, totaling over 9.7 million, has raised concerns about potential spread in the southern U.S. and increased transmission in places like Puerto Rico. This warning from the CDC follows a recent heat wave that sweltered much of the eastern United States, highlighting the potential future impact of climate change on disease spread.
On a warming planet, disease-carrying vectors like mosquitoes can thrive in new environments, leading to longer disease transmission seasons. A study from 2019 projected that an additional 2 billion people could be at risk of dengue exposure by 2080 due to climate change.
In addition to dengue, other mosquito-borne diseases like Zika, malaria, and emerging viruses pose a threat. Last year, cases of locally acquired malaria were reported in Florida and Texas, while concerns about the spread of Oropouche virus in South America have been raised.
Preventing these outbreaks will require addressing climate change. Investing in nature-based solutions and phasing out fossil fuels can help mitigate the impact of climate change on disease spread. By focusing on prevention measures and response capabilities, we can better protect against future pandemics and ensure a healthier future for all.
Emily Carter, a seasoned sailor and marine journalist from Vancouver, has a deep-seated passion for the ocean that has shaped her career. With a degree in Marine Journalism from the University of British Columbia, Emily has become known for her captivating and detailed storytelling. Her work vividly portrays the excitement of sailing and the distinct maritime culture of Canada, earning her a respected place in the sailing community. When not writing, Emily enjoys navigating the rugged coastlines of British Columbia and participating in local regattas, always eager to embark on her next maritime adventure.
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Michael Thompson earned his degree in Agricultural Engineering from Purdue University in the USA, specializing in precision agriculture and smart farming technologies. His work revolves around the development of automated systems that increase farm efficiency and reduce environmental impact. Michael is now a senior engineer at a leading agri-tech company, where he designs innovative solutions for modern agriculture.