If you've had omicron before, are you safe from infection by the new variants?
New versions of omicron are circulating in the United States and South Africa. Two new studies shed light on the potential for future surges — and the risk factor if you've already had omicron.
by Michaeleen Doucleff
May 04, 2022
3 minutes
When it comes to omicron, one thing seems certain to bioinformatician Shishi Luo: Another surge will occur.
That's because new versions of omicron are emerging â here in the United States and in other parts of the world as well, like South Africa.
These new variants have a key set of mutations which enable them to spread even faster than the previous versions of omicron.
So people are wondering: If I had omicron once, can I get it again?
Now two preliminary studies, published online this week, start to answer that question. And
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