Seriously is home to the world’s best audio documentaries and podcast recommendations, and host Vanessa Kisuule brings you two fascinating new episodes every week.
Manage episode 295352801 series 1301260
To find out where a virus comes from, researchers compare it to other viruses to try to trace its origin. This leads to claims like SARS-CoV-2 is 91 or even 96% similar to other known viruses. But what does that really mean? Tim Harford talks to the virus ecologist Marilyn J Roossinck.