How is climate change helping spread infectious diseases?



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    Increased temperatures due to global warming can help spread infectious diseases transmitted through insect vectors like mosquitoes and ticks. Studies have shown that increasing temperatures at higher elevations and an upward shift in the freezing isotherm are allowing for these arthropod vectors to travel to elevations they couldn’t before warming. Summers will still be the worst in terms of the danger of an outbreak. Other studies show infectious disease outbreaks are part of a normal natural cycle. Most scientists agree that global warming will inevitably have an effect on the dynamics of disease transmission, but it is not exactly certain yet as to how.

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