We’ve long known deforestation has driven outbreaks of diseases like malaria, Ebola, and Lyme—and a new study of Australian fruit bats explains why.
Deforestation has caused bats to live closer to humans—which provides them with food that’s plentiful yet less healthy than their wild diet, weakening their immune systems.
The result: Farm and domestic animals are exposed to more bat pathogens, which can then be passed on to humans, the study says.
The study looked at Hendra virus, which killed more than a dozen horses, sickened a stablehand, and killed a horse trainer in 1994. Health officials ultimately traced the virus to fruit bats and their loss of environment, says The New York Times’ report on the study.
It’s not just deforestation—climate change is another human-driven cause of an increase in zoonotic disease as well as antimicrobial resistance (AMR).
“AMR challenges cannot be understood or addressed separately from the triple planetary crisis—the crisis of climate change, the crisis of nature and biodiversity loss, and the crisis of pollution and waste,” said U.N. Environment Programme (UNEP) Executive Director Inger Andersen, announcing the launch of a common U.N. platform to address AMR by addressing the health of humans, animals, and the environment holistically.
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