Scientists in Arizona have detected a mutation in a Coronavirus sample.

Don't be alarmed- it has lost some of its potency.

When this happened in the SARS outbreak, it marked the beginning of the end.

Huge caveat - it's just 1 sample, we need to see if we can find it elsewhere.

— Professor Karol Sikora (@ProfKarolSikora) May 5, 2020