Ambulances filled with breathless patients lined up in Brazil as nations around the world set new records Thursday for COVID-19 deaths and new coronavirus infections.
The disease surged even in some countries that have kept the virus in check. In the United States, Detroit leaders began making a plan to knock on every door to persuade people to get vaccine shots.
Brazil this week became just the third country, after the U.S. and Peru, to report a 24-hour tally of COVID-19 deaths that exceeded 4,000.
India hit a peak of almost 127,000 new cases in 24 hours, and Iran set a new coronavirus infection record for the third straight day, reporting nearly 22,600 new cases.