The Centers for Disease Control and Prevention on Thursday endorsed updated COVID-19 boosters, opening the way for a fall vaccination campaign that could blunt a winter surge if enough Americans roll up their sleeves. Here's what you need to know.
No. The FDA set the minimum wait time at two months. But advisers to the Centers for Disease Control and Prevention said it’s better to wait longer. Some advise at least three months, another said someone who’s not at high risk might wait as long as six months.
That’s because someone who recently got a booster already has more virus-fighting antibodies in their bloodstream. Antibodies gradually wane over time, and another shot too soon won’t offer much extra benefit, explained Wherry, who wasn’t involved with the government’s decision-making.It’s still important to get vaccinated even if you’ve already been infected -- but timing matters here, too.
With that earlier omicron version now replaced by BA.4 and BA.5, the FDA ordered an additional tweak to the shots — and tests in mice showed they spark an equally good immune response. when they’re due. After all, BA.5 still is spreading widely and hospitalization rates in older adults have increased since spring.
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