Emerging from isolation, Biden urges Americans to get shots
New studies bolster theory coronavirus emerged from the wild
Michigan adds 19,653 cases, 137 deaths from COVID-19 over last week
Biden ‘feeling better every day’ as he recovers from COVID
Murkowski says she has tested positive for COVID-19
Doctor: Biden's COVID symptoms 'almost completely resolved'
Biden improves 'significantly,' throat still sore from COVID
Doctor: Biden likely has highly contagious COVID-19 strain
Raspy-voiced Biden declares he feels 'better than I sound'
Biden tests positive for COVID-19, has ‘mild symptoms’
CDC advisers endorse more traditional Novavax COVID shot