Omicron Subvariant Majority of U.S. Covid Cases

The latest subvariant of omicron now makes up most of the cases of Covid-19 in the U.S.

  • According to data shared on Tuesday by the Centers for Disease Control and Prevention, the omicron subvariant BA.5 makes up 53.6 percent of Covid cases in the U.S.
  • Meanwhile, subvariant BA.4 makes up for 16.5 percent of cases.
  • “Omicron subvariants BA.4 & BA.5 are even more mutated than the original Omicron, which means that our immune systems are having a harder time recognizing these new subvariants, regardless of whether we’ve previously been vaccinated or infected,” infectious disease expert Celine Gounder tweeted. “We are also seeing early hints that Omicron subvariants BA.4 & BA.5 may be more virulent (causing more severe disease) than the original Omicron.” 
  • Have you gotten Covid-19 or have you been able to avoid it so far? How many subvariants do you think we'll be going through?

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