The COVID-19 vaccines are on track for a big recipe change this fall.
Scientific advisers for the Food and Drug Administration on Thursday, June 15, 2023, discussed whether the next round of shots should only include protection against the newest omicron strains that are now dominant worldwide. Today’s vaccines still contain the original coronavirus strain, the one that started the pandemic — even though that was long ago supplanted by mutated versions as the virus rapidly evolves.
While infections have declined, the virus could be a real concern next winter, FDA's vaccine chief Dr. Peter Marks said as the daylong meeting began. “We need a better vaccine. We should be updating it,” said one adviser, Dr. Eric Rubin, an infectious disease doctor at Brigham and Women’s Hospital in Boston.Last year when regulators were struggling to decide how to update the vaccine, a combo shot seemed like the safest bet. Omicron was pretty new, and there was no way to know how long it would stick around or if the next big coronavirus change would more resemble the original strain.
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