Forget herd immunity… does immunity last at all?

There are several strategies when trying to control coronavirus – ranging from hard suppression to herd immunity.

The idea behind herd immunity is to let the virus spread through a population in manageable numbers with the hope that when enough recover, it won’t have anywhere else to go.

But that relies on humans remaining immune.

Today: why a recent yet-to-be-peer-reviewed study has thrown more doubt on the herd immunity theory.

Also on this show:

* What’s the latest with the Russian vaccine?

* Is it safe to go back into shopping centres in Melbourne while wearing a mask?

And Norman has some research from Nature on our good friend the D614G spike protein mutation, and why it mightn’t be worth worrying about too much.

Tagged as: COVID-19, Coronacast.