U.S. health officials want to make COVID-19 vaccinations more like the annual flu shot. The Food and Drug Administration on Monday proposed a simplified approach for future vaccination efforts, allowing most adults and children to get a once-a-year shot to…

You’re considered fully vaccinated two weeks after the second dose of a two-dose vaccine, or two weeks after one dose of a single-dose vaccine. If it’s been less than two weeks or you still need to get your second dose,…