Florida has registered a state record of 15,299 new coronavirus cases in 24 hours - around a quarter of all of the United States' daily infections.
Taxi drivers have been left without "adequate protection and guidance" despite many working throughout the lockdown, industry leaders say.
The World Health Organization (WHO) has changed its advice on face masks, saying they should be worn in public where social distancing is not possible to help stop the spread of coronavirus.
Wearing masks is being made compulsory in Spain both indoors and out in public if social distancing is not possible.
As the country's death toll surpasses 92,000, all 50 US states have partially reopened after a two-month shutdown.
The new coronavirus may never go away and may just join the mix of viruses that kill people around the world every year, Dr. Mike Ryan, executive director of the World Health Organization health emergencies program, said Wednesday.
Ministers are reported to be considering whether to relax the two-metre rule for social distancing in workplaces.
President Donald Trump has said he is going to halt US funding to the World Health Organization (WHO) because it had "failed in its basic duty" in its response to the coronavirus outbreak.
Stay at home; protect the NHS; save lives.
Change course or a quarter of a million people will die in a "catastrophic epidemic" of coronavirus - warnings do not come much starker than that.
