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Salon
Salon
Science
Matthew Rozsa

DARK SECRETS: Climate change may bring more pandemics | Rare Historical Photos

In the hit HBO series "The Last of Us," humanity must battle a malevolent fungus that arises due to climate change and turns people into zombies. While "The Last of Us" is a science fiction thriller and its fungus could actually save the world rather than destroy it, the notion that climate change might cause pandemics or epidemics is hardly limited to fiction. Last month, it was discovered that a flesh-eating bacteria known as vibrio vulnificus is infecting eight times as many people now as it did 30 years ago (from 10 patients annually to 80), a fact made alarming because the disease is fatal to as many as 1 in 5 of the infected. The likely culprit of the jump in infections? The warming ocean due to climate change.
"Tick-borne diseases are less straightforwardly climate-driven... but that is all on the move with climate change too, and is reflected in studies of climate and tick borne diseases."

As it turns out, the COVID-19 pandemic may be just the beginning of our species reckoning with waves of deadly diseases. Yet while there is no evidence that COVID-19 was linked to humanity's ongoing problem of excessive greenhouse gas emissions, the same cannot be said of some of these other nasty pathogens that may be lurking in our collective future if global warming continues to run amok. These are but a few of the most notable known pathogens, diseases and conditions that will become more common as the Earth warms. There may well be others that are yet unknown to science, such as SARS-CoV-2 was — a virus that also may have jumped from animals to humans for reasons related to climate change. 

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