Trump says coronavirus guidelines may get tougher; one million Americans tested

U.S. President Donald Trump addresses the daily coronavirus response briefing in the Rose Garden at the White House in Washington, U.S., March 30, 2020. REUTERS/Tom Brenner

WASHINGTON (Reuters) - U.S. President Donald Trump said on Monday that federal social distancing guidelines might be toughened and travel restrictions with China and Europe would stay in place as he urged Americans to help fight the coronavirus with tough measures through April.

Trump, speaking to reporters at the White House, said more than 1 million Americans had been tested for the coronavirus, which he called a milestone.