# Immunity Is Redefining COVID-19 ![rw-book-cover](https://readwise-assets.s3.amazonaws.com/static/images/article1.be68295a7e40.png) ## Metadata - Author: [[Katherine J. Wu]] - Full Title: Immunity Is Redefining COVID-19 - Category: #articles - URL: https://www.theatlantic.com/science/archive/2021/09/post-vaccination-covid/620140/ ## Highlights - Focusing on the extremes, though, blurs the texture in the middle. In studies of effectiveness against severe disease, anything too “mild” to be considered a serious illness—warranting hospitalization, for instance—ends up collapsed into a single category.