Positive news from Moderna on vaccines. British PM Boris Johnson is self-isolating. Costco no longer OK with mask exemptions. Latest COVID news.
Author: Jessica Flores, Cara Richardson and Jorge L. Ortiz, USA TODAY
Coronavirus live updates: California ‘sounding the alarm’ with widespread closures; Dr. Anthony Fauci encouraged by Moderna’s vaccine news
Positive news from Moderna on vaccines. British PM Boris Johnson is self-isolating. Costco no longer OK with mask exemptions. Latest COVID news.