The omicron subvariant X.BB1.5 is considered the most easily transmissible subvariant so far, Dr. Marc Siegel, a Fox News medical contributor, told Fox News Digital — plus other key points.
Fox News medical contributor Dr. Marc Siegel on the latest COVID subvariant that is raising concerns among some medical professionals who say it evades immunity."is the most easily transmissible subvariant so far," Dr. Marc Siegel, a Fox News medical contributor, told Fox News Digital on Tuesday evening.
Though this subvariant continues to spread at a faster pace than other versions of COVID-19 did, the Centers for Disease Control and Prevention on Friday did revise downward its estimate of how much XBB1.5 is circulating in the U.S.The CDC had previously said that XBB1.5 made up some 41% of sequenced cases for the week ending Dec. 31 — more than any other variant.
Dr. Siegel also told Fox News Digital that while the XBB1.5 subvariant is immunoevasive,"studies show that the bivalent vaccine and recent immunity from [COVID] infection are both effective at decreasing severity and hospitalization" due to the virus.
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