In a decision that could come this week, the FDA is looking to step away from the confusing array of COVID shots and boosters that are currently recommended and create an easier-to-understand schedule.
, which was launched in 2020 by researchers to better inform COVID-19 decision-making, most Americans have not gotten the latest booster shot, although many said they intend to. The report also found that at least 5 in 6 US adults have some level of immunity to the virus, either from getting the vaccine or actually being infected. The two mRNA vaccines, in particular, are very effective in preventing severe illness and death.
And new vaccines may not be that critical if subvariants remain close to earlier versions. “Our vaccines are still doing a pretty good job of keeping us out of the hospital, so how different does a mutation have to be before we have to start over?” Schaffner asked. The FDA has proposed that experts consider circulating COVID variants in the spring, then issue a recommendation in time for manufacturers to produce a new vaccine by the fall. There’s also talk of a combined COVID/influenza vaccine, Schaffner said. Although COVID is not as seasonal as the flu, cases can ramp up in the winter when it’s easier to transmit viruses. In a perfect endemic world, annual boosters that conferred protection for 12 months would be ideal.
The FDA Vaccine and Related Biological Products Advisory Committee is scheduled to meet on Thursday, Jan. 26, to discuss and presumably approve the new strategy.
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