Climate Change, Deforestation Drive Bat Virus Spillover Into Humans

Bats that experience food shortages due to climate change and habitat loss end up roosting in urban settings, where they shed more of the deadly Hendra virus.

Written byAmanda Heidt
| 4 min read
Three flying foxes (a type of bat) hanging upside down on a bare branch
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Scientists in the US and Australia have laid out in detail the steps that cause Hendra virus, which causes a rare and sometimes deadly respiratory and neurological infection, to spillover into humans. Using a dataset that spans decades, the researchers demonstrated how climate change and deforestation have shifted the behavior of bats in Australia such that the animals spend more time in urban and agricultural settings when food is scarce, bringing them into proximity to intermediate hosts that can infect humans.

The findings are presented in a paper published in Nature yesterday (November 16). The authors write that the model they’ve built with the data can now predict future outbreaks up to two years in advance, and offer several suggestions for how to prevent them.

“It’s just an exceptional piece of work,” Cara Brook, a disease ecologist at the University of Chicago who did not participate in the study, tells ...

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Meet the Author

  • amanda heidt

    Amanda first began dabbling in scicom as a master’s student studying marine science at Moss Landing Marine Labs, where she edited the student blog and interned at a local NPR station. She enjoyed that process of demystifying science so much that after receiving her degree in 2019, she went straight into a second master’s program in science communication at the University of California, Santa Cruz. Formerly an intern at The Scientist, Amanda joined the team as a staff reporter and editor in 2021 and oversaw the publication’s internship program, assigned and edited the Foundations, Scientist to Watch, and Short Lit columns, and contributed original reporting across the publication. Amanda’s stories often focus on issues of equity and representation in academia, and she brings this same commitment to DEI to the Science Writers Association of the Rocky Mountains and to the board of the National Association of Science Writers, which she has served on since 2022. She is currently based in the outdoor playground that is Moab, Utah. Read more of her work at www.amandaheidt.com.

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