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Science In Action

Science In Action

BBC World Service

The BBC brings you all the week's science news.

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A Chinese survey of diseased animals farmed for their fur – such as mink, foxes and raccoon dogs - has revealed high levels of concerning viruses, including coronaviruses and flu viruses, many of which appear to jump easily from species to species. John Pettersson of Uppsala University discusses the threat to us humans.

We learnt early on in the Covid-19 pandemic how important the genetic details of the virus were in tracking the spread and spotting new variants. The vaccines were designed from gene sequences shared electronically long before any biological samples became available. Virologist Emma Hodcroft has teamed up with researchers around the world to develop a new virus database, Pathoplexus, to speed up the sharing of gene sequences.

Mpox outbreaks are causing concerns in Central and West Africa - particularly in the Democratic Republic of the Congo. A smallpox vaccine has started arriving, giving some protection against mpox. But there’s good news this week in an experimental vaccine developed especially for mpox by Moderna – one of the companies that brought us the mRNA vaccines against COVID-19. Galit Alter, vice president of immunology research at Moderna, tells us animal tests show that it appears to be highly effective.

And we discuss embryonic eavesdropping with Francisco Ruiz-Raya of Glasgow University. In the yellow-legged-gull, baby bird embryos that have chattier parents tend to come out chattier themselves – and likely receive better care because of their enhanced communication.

Presenter: Roland Pease Producer: Jonathan Blackwell Production Coordinator: Andrew Rhys Lewis

(Image: Mink farm. Production of elite fur. Animal in a cage, in the hands of a man. Credit: Neznam via Getty Images)