Texas again surpassed its previous record on Wednesday with 8,076 new cases, while South Carolina reported 24 more coronavirus deaths, a single-day high for the state. Tennessee and Alaska also had record numbers of new cases on Wednesday.
Officials in the US logged some 50,700 new cases of Covid-19 on Wednesday, according to Johns Hopkins University.
It was far and away the biggest-yet single-day rise, some 5,000 cases above previous peaks.
States are continuing to reverse their lockdown-easing measures, led by California, which has been hard-hit.
“The spread of this virus continues at a rate that is particularly concerning,” said California governor Gavin Newsom said.
US sets another grim record for new infections
He ordered bars to close, banned indoor dining and imposed other restrictions in 19 counties, affecting more than 70 per cent of the state’s population.
Michelle Grisham, the governor of New Mexico, has extended her state’s emergency public health order until 15 July, adding that authorities would “aggressively” enforce mandatory mask rules.