A new analysis warns that “global warming may have played a pivotal role” in the recent rise of a multidrug-resistant fungal superbug, sparking questions and concerns about the emerging public health threats of the human-caused climate crisis.
“What this study suggests is this is the beginning of fungi adapting to higher temperatures, and we are going to have more and more problems as the century goes on.”
—Arturo Casadevall, lead author
Reporting on the research Tuesday, CNN outlined the history of Candida auris:
The study—published Tuesday in mBio, an open-access journal of the American Society for Microbiology—argues that Candida auris “may be the first example of a new fungal disease emerging from climate change.”
“The argument that we are making based on comparison to other close relative fungi is that as the climate has gotten warmer, some of these organisms, including Candida auris, have adapted to the higher temperature, and as they adapt, they break through human’s protective temperatures,” lead author Arturo Casadevall, chair of molecular microbiology and immunology at Johns Hopkins Bloomberg School of Public Health, said in a statement.
Fungal diseases are relatively uncommon in humans because of body temperature—but if they adapt to rising temperatures, and aren’t easily treatable with medications, they could increasingly endanger human health on a global scale. Casadevall warned that while C. auris may be the first fungal disease whose emergence scientists have tied to rising temperatures, it potentially won’t be the last.
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“Global warming may lead to new fungal diseases that we don’t even know about right now,” he said. “What this study suggests is this is the beginning of fungi adapting to higher temperatures, and we are going to have more and more problems as the century goes on.”
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