Despite the progress in vaccinating Americans, there's concern about the threat posed by COVID-19 variants. The White House is urging not to "let down our guard."
India is reporting its largest spike in new coronavirus cases since November. Its health ministry said that several concerning variants have been detected.
California has now joined Texas in becoming a state with more than 1 million confirmed coronavirus cases since the start of the pandemic, according to data from Johns Hopkins University.
Two people arriving from the U.S. tested positive at a U.S. military base, ending the nation's run as one of the few in the world with zero known coronavirus cases.
The city recorded zero new coronavirus cases on Monday, for the first time since June. "Now is the time to congratulate every single Victorian for staying the course," said the state's top official.