NewYorkTimes

Our 7-Day Well Challenge will show you how to build on the healthy habits you learned during pandemic life. View original article Contributor: Tara Parker-Pope

Test your knowledge of this week’s health news. View original article Contributor: Toby Bilanow

View original article Contributor: Lauren Wolfe

Contagiousness is the hallmark of the mutated virus surfacing in the U.S. and more than a dozen other countries. View original article Contributor: Apoorva Mandavilli

View original article Contributor: Kate Taylor

Health officials and hospitals are struggling with a lack of resources. Holiday staffing and saving doses for nursing homes are also contributing to delays. View original article Contributor: Rebecca Robbins, Frances Robles and Tim Arango

Each day, our editors collect the most interesting, striking or delightful facts to appear in articles throughout the paper. Here are 74 from the past year that were the most revealing. View original article Contributor: Times Insider Staff and Clay Hickson

A more contagious variant of the coronavirus may alter the course of the pandemic in the United States, researchers said. View original article Contributor: Apoorva Mandavilli

Each day, our editors collect the most interesting, striking or delightful facts to appear in articles throughout the paper. Here are 74 from the past year that were the most revealing. View original article Contributor: Times Insider Staff and Clay Hickson

Using inactivated coronaviruses to train the immune system. View original article Contributor: Jonathan Corum and Carl Zimmer