The drugmakers designed their updated coronavirus shots to target the omicron subvariant XBB.1.5, which is slowly declining nationwide.
meaning it will be monitored for mutations that could potentially make it more severe.
"It's not like back then when we had the alpha, beta, delta and omicron variants emerge and they were significantly different from one another," said Dr. Nicole Iovine, chief hospital epidemiologist and an infectious disease physician at the University of Florida."These are all omicron variants, so they're much more similar to each other. I think this vaccine is actually going to be quite effective because of that.
A Novavax spokesperson also told CNBC that it expects its updated Covid vaccine to work against Eris given its similarity to the XBB.1.5 strain.Should you wait for the new shots?
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