Here are some significant developments:
- More than 4 million people in the United States received a coronavirus vaccine on Saturday — the nation’s highest one-day total since the shots began rolling out in December — amid a rising caseload and increase in hospitalizations.
- New Zealand said Tuesday it was launching a quarantine-free travel bubble with Australia later this month. Travelers would still be subject to restrictions, but the new program could help reunite families separated by the pandemic.
- China is offering its citizens an array of incentives, including free food, to ramp up a flagging vaccine drive that aims to inoculate 40 percent of its enormous population by June.
- Montana Gov. Greg Gianforte (R) has tested positive for the coronavirus and will quarantine for 10 days, his office said Monday. His wife, Susan Gianforte, has exhibited no symptoms and is awaiting her test results, the office said.
- More than 556,000 people have died due to the coronavirus in the United States, out of at least 30.7 million confirmed infections.