Rachel Treisman

Johnson & Johnson has begun shipping the first nearly four million doses of its newly-authorized COVID-19 vaccine across the country, officials said Monday, and is expected to further scale up supply in the coming weeks and months.

"We think literally within about the next 24 to 48 hours Americans should start receiving shots in arms," Alex Gorsky, Johnson & Johnson's chief executive officer and chairman of the board, told NBC's TODAY.

The head of the Centers for Disease Control and Prevention warned Friday of an uptick in the country's confirmed COVID-19 cases, saying recent progress may be "stalling" as highly infectious new variants become more predominant.

Nigerian authorities are searching for hundreds of schoolgirls who were kidnapped by unidentified gunmen in a raid early Friday morning, according to police in the northwestern state of Zamfara.

Updated at 2:15 p.m. ET

The Manhattan district attorney's office is in possession of Donald Trump's tax returns, following a years-long effort by the former president to shield his finances and business affairs from scrutiny.

One of the rioters accused of storming the U.S. Capitol on Jan. 6 was turned in by his ex-girlfriend after sending her several videos and texts from the scene, including one calling her a "moron," court documents show.

South Dakota Attorney General Jason Ravnsborg is facing calls to leave office after newly released video evidence has raised questions about his conduct in the car crash that killed a pedestrian last year.

The Biden administration will distribute millions of face coverings to thousands of community health centers and food banks in an effort to help vulnerable Americans more easily mask up, officials said on Wednesday.

Updated at 6:45 p.m. ET

New York Attorney General Letitia James says a grand jury voted that no charges will be filed against Rochester police officers in connection with the March 2020 death of Daniel Prude, a Black man who was in the midst of a mental health free fall during his encounter with the police.

A report released Tuesday found that 168 Confederate symbols were removed across the United States in 2020, virtually all of them following the killing of George Floyd by Minneapolis police officers. Only one of the symbols was removed prior to Floyd's death, when Virginia renamed Lee-Jackson Day in April as Election Day.

Updated at 4:45 p.m. ET

As the U.S. passes the grievous marker of 500,000 lives lost to COVID-19, President Joe Biden will order flags on federal property to be lowered at half staff for five days to mark the solemn milestone, White House press secretary Jen Psaki said at a Monday briefing.

Biden will commemorate the people who died at a Monday evening ceremony, joined by First Lady Jill Biden, Vice President Harris and second gentleman Doug Emhoff. The event will include remarks, a candle lighting ceremony and a moment of silence, according to Psaki.

Hayley Arceneaux, 29, became a physician assistant at St. Jude Children's Research Hospital nearly a year ago, almost two decades after beating pediatric cancer there herself. Now, she's set to reach new heights as the youngest American — and first with a prosthesis — to travel to space.

White House officials on Friday confirmed the extent of the weather's chilling effect on COVID-19 vaccine distribution, saying this week's storms created a backlog of some 6 million doses affecting all 50 states.

That number represents three days' worth of delayed shipments, said Andy Slavitt, senior adviser on the White House COVID-19 Response Team. He added that many states have been able to cover some of the delay with their existing inventory, and that the Biden administration expects to make up the backlog shortly.

Two Florida women disguised themselves as elderly grandmothers in an unsuccessful attempt to get their second doses of the COVID-19 vaccine, officials said Thursday.

All schools in New Zealand will offer free sanitary products to students starting in June, officials said Thursday. The initiative, which aims to combat period poverty, expands on a pilot program that launched last year.

Volunteers in coastal Texas have rescued thousands of sea turtles from frigid waters and shores during the historic winter storm and are working creatively to house them as much of the region remains without power.

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