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...
New immune-evading Omicron variants BA.4, BA.5 are likely in every U.S. state, an expert says. Here are the states where they’ve been identified so far |...
BA.4 and BA.5, two new Omicron variants sweeping South Africa, detected in U.S. | Fortune You need to enable JavaScript to view this site.
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