A suburb of Philadelphia has seen an alarming COVID-19 outbreak among children and several fully vaccinated adults. All cases are connected to a single classroom. Nikki Battiste reports. Source

CBS News’ Mark Strassmann reports from Albany, Georgia, on the powerful storms and deadly tornadoes that have torn across several southeastern states. Source

The New England Patriots will face the Atlanta Falcons at Super Bowl 51. It is the Falcons’ first Super Bowl appearance since 1998. “NFL Today” host James Brown joins “CBS This Morning” to discuss the competition. Source

Tax filing season is here, and there are some rule changes that could affect your refund. This year’s tax deadline is April 18, which gives you three extra days to file. The IRS expects more than four out of five taxpayers will file electronically. CBS News financial contributor Mellody Hobson joins “CBS This Morning” from San Francisco with the potential impact of those changes. Source

First lady Melania Trump was next to her husband, Donald Trump, when he assumed the presidency on Friday, but she will not be constantly at his side — at least for now. As Mrs. Trump starts the week with her son, Barron, in New York City, it’s clear she will take on the role her way. Jan Crawford reports. Source

New York Times correspondent Jodi Kantor and “CBS This Morning: Saturday” co-host Alex Wagner join “CBS This Morning” to discuss the Women’s March turnout, the uniting factor of opposition against President Trump and how the movement could impact politics. Source

Roku told its 51 million users that the YouTube TV app could disappear because of a contract dispute with Google. Source

On Tuesday the Academy of Motion Picture Arts and Sciences will announce this year’s Academy Award nominations. Our critic David Edelstein offers a sneak peek at who should be in the running. Source

As the Fonz on the classic TV comedy “Happy Days,” Henry Winkler played America’s most famous teenager. A little-known fact about Winkler is that he was dyslexic – so dyslexic he could barely read. Now at 71, Winkler is co-creator of a popular series of children’s books featuring a fourth-grader who similarly has trouble reading. Mo Rocca talks with Henry Winkler and his wife, Stacey, and also joins them in a pastime that has got them both hooked: fly-fishing. Source

A new movie dramatizes how a visionary milk shake mixer salesman turned the McDonald brothers’ fast-food restaurant into a franchise powerhouse. Ben Tracy interviews Michael Keaton and John Lee Hancock, the star and director of “The Founder.” Source