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