First evidence of protective role of T cells generated during infection with other coronaviruses

By Jamie Priest
January 18 2022 - 12:00pm
Why are some people readily infected after an exposure, while others remain untouched? Picture: Shutterstock.
Why are some people readily infected after an exposure, while others remain untouched? Picture: Shutterstock.

Since the very beginning of the pandemic, a key feature of the spread of COVID has been its apparently random nature.