Will You Need a Covid-19 Booster Shot?

A vaccine reporter distills what we know now, how boosters work, and some (fun) lessons in immunology

A white man wearing a salmon colored shirt in a car and wearing a blue surgical mask is receiving a vaccine through the window from a Black nurse wearing scrubs, blue gloves, an N95 masks, and a blue handkerchief with polka dots.
Photo: Alex Mecl/Unsplash