The Ebola Outbreak’s Central Mystery: Where Did This Virus Come From?

Catching a virus...on purpose - EurekAlert!

Bird flu made the leap to cows in 2024. A recent study finds that just 10 viral particles of H5N1 are sufficient to cause infection, hinting how the virus infects and spreads so quickly.

Here’s how big the Ebola outbreak in the Democratic Republic of the Congo might be