T cells spot and attack viruses, and many experts say they will push back the pandemic. But immunologist Anthony Leonardi has stirred controversy by saying repeat COVID infections likely wear down T cell performance.

Andrew Nikiforuk unpacks Leonardi's claims. Andrew is a Tyee contributing editor.

Published Monday, November 7, 2022.

https://thetyee.ca/Analysis/2022/11/07/COVID-Reinfections-And-Immunity/