What to know about the JN.1 coronavirus variant

It accounts for nearly half of U.S. Covid cases.

View in browser|nytimes.com Continue reading the main story January 1, 2024 As the holiday season winds down and Covid cases start to pick up, a variant called JN.1 has now become the most common strain of the virus spreading across the United States. Hiroko Masuike/The New York Times Here's what to know about the variant. → Sign up for the Well newsletter, for Times subscribers only. Essential news and guidance to live your healthiest life. Get it in your inbox Continue reading the main story ADVERTISEMENT Continue reading the main story Need help? Review our newsletter help page or contact us for assistance. You received this message because you signed up for updates from The New York Times. To stop receiving From The Times, unsubscribe. To opt out of other promotional emails from The Times, including those regarding The Athletic, manage your email settings. To opt out of updates and offers sent from The Athletic, submit a request. Subscribe to The TimesGet The New York Times app Connect with us on: Change Your EmailPrivacy PolicyContact UsCalifornia Notices The New York Times Company. 620 Eighth Avenue New York, NY 10018