President-elect Joseph R. Biden Jr. and Vice President-elect Kamala Harris introduced key members of their White House science team on Saturday.

India's campaign to inoculate its population of 1.3 billion began on Saturday with medical workers. The country has reported more than 10.5 million coronavirus cases, the second largest caseload after the United States.

President-elect Joseph R. Biden Jr. called the current vaccine rollout a 'dismal failure' and vowed to move aggressively to increase availability, improve access and accelerate production of needed supplies.

The director of Michigan State Police said law enforcement presence at the State Capitol would be increased and joined by the National Guard ahead of planned armed protests by Trump supporters.

Jerome H. Powell, the chair of the Federal Reserve, said the U.S. economy is a long way from recovery and the central bank would not raise interest rates anytime soon.

Michigan's solicitor general announced criminal charges against Rick Snyder, the former governor, for 'willful neglect of duty,' saying he failed to protect residents during the Flint water crisis.

Letitia James, the New York State attorney general, sued the New York City Police Department and Mayor Bill de Blasio for a 'pattern of using excessive force,' against peaceful protesters.

National Guard members are patrolling the U.S. Capitol and nearby streets, a week after a violent mob siege incited by President Trump. More than 20,000 are expected to be in Washington by Inauguration Day.

Speaker Nancy Pelosi addressed the House during Wednesday's debate to impeach President Trump. 'The president must be impeached,' she said.

On Tuesday, Secretary of State Mike Pompeo said Al Qaeda's new base of operations is inside Iran, however, he offered no underlying intelligence as evidence and his conclusions were contradicted by other American officials.