Authorities in Arizona, Florida and Texas have reported their largest daily increases in coronavirus infections.
On Tuesday Florida reported 2,783 new cases, Texas 2,622 and Arizona 2,392.
Testing has been increased in all three southern US states, and lockdown restrictions have been eased to help boost their economies.BBC
At a press conference, Florida Governor Ron DeSantis brushed aside claims that the spike in cases was being caused by businesses reopening, and said the state would not be closing parts of its economy again.
“We’re not shutting down,” he said. “You have to have society function.”
US Vice-President Mike Pence has published an opinion piece in the Wall Street Journal saying that concern about the virus is "overblown".
President Donald Trump is expected to hold a public rally in Oklahoma this weekend, despite infections continuing to rise in the state.