Vice President Mike Pence urged every American to "do their part" and follow the federal coronavirus guidelines.
"The next two weeks, the next 30 days are vital," Pence said. "The future is on our hands."
On Sunday, President Trump said he would extend nationwide social distancing guidelines for another 30 days, an abrupt back-down from his push to reopen the country as coronavirus continues to spread.
The White House's social distancing guidance advises all Americans to avoid groups of more than 10 and urges older people to stay at home.