U.S. regulators on Tuesday cleared another COVID-19 booster dose for older adults and people with weak immune systems so they can shore up protection this spring — while taking steps to make coronavirus vaccinations simpler for everyone else.
The Food and Drug Administration said anyone 65 or older can opt to roll up their sleeves again as long as it's been at least four months since their first dose of the so-called bivalent vaccine that targets omicron strains.
