mRNA vaccines induce durable immune memory to SARS-CoV-2 and variants of concern

> Together, these findings demonstrate robust cellular immune memory to SARS-CoV-2 and variants for at least 6 months after mRNA vaccination.

So just 6 months. I wouldn't call that durable (since that refers to duration).

First author's layman description: https://twitter.com/rishirajgoel/status/1448711946010710023