COVID-19 cases rose above 13 million across the world on Monday, climbing by one million in just five days, with over 570,000 people dead.
The Americas account for more than half the world’s infections and half the deaths.
California, one of the states witnessing a surge in cases, announced fresh restrictions on Monday, shutting bars and restaurants, among others.
Other places, such as the Australian city of Melbourne and Leicester in England, are implementing a second round of shutdowns.
Chinese-ruled Hong Kong, albeit with a low 1,522 cases, is to tighten social distancing measures again amid growing worries about a third wave.
The United States reported a daily global record of 69,070 new infections on July 10.
In Brazil, 1.86 million people have tested positive, including President Jair Bolsonaro, and more than 72,000 people have died.
The U.S. state of Florida reported a record increase of more than 15,000 new cases in 24 hours on Sunday, more than South Korea’s total since the disease was first identified at the end of last year.
Coronavirus infections were rising in about 40 U.S. states, according to a Reuters analysis of cases for the past two weeks compared with the prior two weeks.
Yet U.S. President Donald Trump and White House officials have repeatedly said the disease is under control and that schools must reopen in the autumn.
“The president and his administration are messing with the health of our children,” House Speaker Nancy Pelosi said on CNN’s “State of the Union” programme.
“We all want our children to go back to school, parents do and children do. But they must go back safely.”