US mulls COVID vaccine boosters for elderly as early as fall

WASHINGTON (AP) — Warning of tough days ahead with surging COVID-19 infections, the director of the National Institutes of Health said Sunday the United States could decide in the next couple weeks whether to offer coronavirus booster shots to Americans this fall.

Among the first to receive them could be health care workers, nursing home residents and other older Americans.

Dr Francis Collins also pleaded anew for unvaccinated people to get their shots, calling them “sitting ducks” for a delta variant that is ravaging the country and showing little sign of letting up.

“This is going very steeply upward with no signs of having peaked out,” he said.

Federal health officials have been actively looking at whether extra shots for the vaccinated may be needed as early as this fall, reviewing case numbers in the US “almost daily” as well as the situation in other countries such as Israel, where preliminary studies suggest the vaccine's protection against serious illness dropped among those vaccinated in January.

Israel has been offering a coronavirus booster to people over 60 who were already vaccinated more than five months ago.

No US decision has been made because cases here so far still indicate that people remain highly protected from COVID-19, including the delta variant, after receiving the two-dose Pfizer or Moderna regimen or the one-shot Johnson & Johnson vaccine.

But US health officials made clear Sunday they are preparing for the possibility that the time for boosters may come sooner than later.

“There is a concern that the vaccine may start to wane in its effectiveness,” Collins said.

“And delta is a nasty one for us to try to deal with. The combination of those two means we may need boosters, maybe beginning first with health care providers, as well as people in nursing homes, and then gradually moving forward” with others, such as older Americans who were among the first to get vaccinations after they became available late last year.

He said because the delta variant only started hitting the US hard in July, the “next couple of weeks” of case data will help the US make a decision.

Moderna President Stephen Hoge said seeing some “breakthrough” infections emerge among the vaccinated within six months has been surprising, even if most symptoms so far have not been life-threatening.

“I think that suggests we are going to need booster vaccines to get through the winter,” he said.

Last week, the Food and Drug Administration said people with weakened immune systems can get an extra dose of the Pfizer or Moderna vaccines to better protect them as the delta variant continues to surge.

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