Published in New York Times, https://www.nytimes.com/2022/01/19/well/live/breakthrough-covid-immunity.html

As Omicron cases skyrocket, more vaccinated people may get “hybrid” immunity after a breakthrough infection. But experts still encourage precautions.

How much does hybrid immunity protect you?

“Super immunity is maybe an overreach, but we know the most recent studies show there’s hybrid immunity, really due to immune players known as memory B cells,” said Anita Gupta, an adjunct assistant professor of anesthesiology and critical care medicine at Johns Hopkins University School of Medicine. “When some of the short-lived immune cells go away, these memory B cells are going to last a while.”