While the Omicron subvariants BA.4 and BA.5 appear to be more contagious, they don’t necessarily make the people who are infected with them sicker, according to...
These COVID subvariants are spreading through the U.S. right now | Fortune You need to enable JavaScript to view this site.
Two new Omicron subvariants are driving up COVID cases in New York | Fortune You need to enable JavaScript to view this site.
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