NEW YORK (AP) — When Leland Stein heads to his 93-year-old mother's senior living facility for Mother's Day, he'll have flowers in hand, a bottle of bubbly and a year's worth of hugs.
The U.S. will begin sharing its entire stock of AstraZeneca COVID-19 vaccines with the world once it clears federal safety reviews, the White House said Monday, with as many as 60 million doses expected to be available for export in the coming months.
Experts don't know yet because they're still studying vaccinated people to see when protection might wear off. How well the vaccines work against emerging variants will also determine if, when and how often additional shots might be needed.
The United States opened more distance between itself and much of the rest of the world on Thursday, nearing the 200 millionth vaccine administered in a months-long race to protect the population against COVID-19, even as other countries, rich and poor, struggle with stubbornly high infection rates and deaths.