At least 20 million people in the US may already have been infected with Covid-19, according to the latest estimate by health officials.
The Centers for Disease Control (CDC) says the true number of cases is likely to be 10 times higher than the reported figure.
It comes as the state of Texas halted its reopening as infections and hospitalisations surged.
The US has recorded 2.4m confirmed infections and 122,370 deaths, BBC reported.
Some southern and western states have been reporting record numbers of cases in recent days.
The University of Washington predicts 180,000 US deaths by October – or 146,000 if 95% of Americans wear masks.
What is happening in Texas?
-Texas confirmed a record 5,996 new cases on Thursday
-There were also 47 new deaths, the highest daily toll for a month
All but 12 of the state’s 254 counties have reported cases
Other states, including Alabama, Arizona, California, Florida, Idaho, Mississippi, Missouri, Nevada, Oklahoma, South Carolina and Wyoming, have all recorded record daily increases in the number of confirmed cases this week.
More than 36,000 new US cases were confirmed on Wednesday – not far off the record number of 36,426 cases recorded on 24 April.