Government advisers debated Tuesday if Americans should get a modified COVID-19 booster shot this fall.
FILE - A health worker administers a dose of a COVID-19 vaccine during a vaccination clinic at the Keystone First Wellness Center in Chester, Pa., on Dec. 15, 2021. Government advisers are debating Tuesday, June 28, 2022, if Americans should get a modified COVID-19 booster shot this fall one that better matches more recent virus variants.
“That’s the problem -- we’re being asked to more or less have a crystal ball today,” said Dr. Arnold Monto of the University of Michigan, who heads the Food and Drug Administration’s vaccine advisory committee.globally and those used in the U.S. still offer strong protection against hospitalization and death -- especially after a booster dose. But their ability to block infection markedly dropped when the super-contagious omicron mutant emerged.
. The two newest omicron cousins, called BA.4 and BA.5, now make up about half of U.S. cases, according to the Centers for Disease Control and Prevention.That makes for a tough decision on how to tweak the shot recipe, and “our goal is to have the best possible match” to blunt an expected COVID-19 surge this fall and winter, FDA vaccine chief Dr. Peter Marks said Tuesday.
While people vaccinated and boosted have good protection against COVID-19’s worst outcomes, it has slipped some, said CDC epidemiologist Heather Scobie, describing an increase in omicron-sparked hospitalizations among older adults.
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