Research Preview: Nature Magazine – March 9, 2023

Volume 615 Issue 7951

nature MagazineMarch 9, 2023 issue:

Sims-style ‘digital twin’ models can tell us if food systems will weather crises

From COVID-19 to the war in Ukraine, virtual models could inform global food policy before emergencies unfold.

Big bats fly towards extinction with hunters in pursuit

Human hunt at least 19% of bat species worldwide — especially flying foxes, which can have wingspans of 1.5 metres.

Close-up of a Mauritian flying fox resting upside-down on a banana plant.
The Mauritian flying fox (Pteroptus niger). As relatively large bats, flying foxes are hunted more heavily than other species. Credit: Fabrice Bettex Photography/Alamy

Large tropical bats with narrow home ranges are disproportionately likely to be hunted by humans, according to a global analysis of 1,320 bat species — nearly all of the 1,400 known to science1.

How to stop the bird flu outbreak becoming a pandemic

From tracking the disease’s spread in wild birds to updating human vaccines, there are measures that could help keep avian influenza in check.

A veterinarian injects avian flu vaccine into a goose in Taiyuan, Shanxi Province of China.
A goose being vaccinated against avian influenza in China.Credit: Wei Liang/China News Service/Getty

Fears are rising about bird flu’s potential to spark a human pandemic, as well as its destruction of wildlife and farmed birds. An 11-year-old girl tragically died in Cambodia last week after catching avian influenza. That followed reports earlier this year of the virus spreading from mammal to mammal through a mink farm, and causing mass mortality in Peruvian birds and sea lions. Since the beginning of 2022, more than 50 million poultry birds in the United States, and a similar number in Europe, have either died of the disease or been killed in efforts to stem its spread. Can bird flu be stopped, and if yes, how?

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