Sadly, right now, the CDC’s definition is embarrassingly outdated.
Author: Dorry Segev, MD, Ph.D., opinion contributor
It’s time to check antibodies and take the guesswork out of this pandemic
Whether you got vaccinated back in the spring or got COVID-19 last year – or both – are you still protected from the virus?
Natural COVID-19 immunity is powerful — but kind of irrelevant
Here’s why it seems that scientists are ignoring natural immunity.