Mike Herrick and his wife Jane have been heading from their home on Lake Superior in Herbster, Wis., to Tuscon, Ariz., for the last 11 winters. They were hoping to come home at the end of April. Then, Herrick discovered local officials had asked some homeowners not to return.

If they couldn't leave, he wondered if his landlord would charge them rent to stay longer.

It was a pretty normal St. Patrick's Day. Nathan Stewart and a couple of friends were hanging out, drinking a few beers, soaking up senior spring at the University of Virginia. Then an email landed in their inboxes: Classes were moving online and graduation was indefinitely postponed.

Updated at 7:40 p.m. ET

America must brace for 100,000 or more people to die in the coming months in the coronavirus pandemic, the White House's response team warned Tuesday.

"As sobering a number as that is, we should be prepared for it," said Dr. Anthony Fauci, a top immunologist helping to steer White House policy on the disaster. "No one is denying the fact that we are going through a very, very difficult time right now."

The beloved children's author and illustrator Tomie dePaola, whose imaginative and warm-hearted work crossed generations and continents, died Monday at age 85. His death was announced, without details, on social media by his assistant, Bob Hechtel.

When infectious pathogens have threatened the United States, the Centers for Disease Control and Prevention has been front and center. During the H1N1 flu of 2009, the Ebola crisis in 2014 and the mosquito-borne outbreak of Zika in 2015, the CDC has led the federal response.