North Texas COVID-19 and flu hospitalizations are climbing as the region endures an early and unpredictable respiratory virus season. No one knows whether the...
North Texas COVID-19 and flu hospitalizations are climbing as the region endures anrespiratory virus season. No one knows whether the current case and hospitalization trajectories will continue, but experts say one thing is certain: The health care system is much better off now than it was a year ago.
In the last year, the omicron variant mutated into a growing number of subvariants, each more contagious but seemingly less severe than the last. Subvariants BQ.1 and BQ.1.1 account for about 67% of cases sampled by the University of Texas Southwestern Medical Center as of Dec. 28. Subvariant XBB — the dominant variant in parts of the Northeast — now makes up 10% of cases in Dallas.
The number of Parkland employees calling in sick because of COVID-19 increased to a few dozen workers recently, Chang said, although thatDr. Jeffrey SoRelle, who leads UT Southwestern’s COVID-19 variant tracking effort, said he expects XBB to become the dominant variant in North Texas, although it might not happen as quickly as it did in other regions.
The Centers for Disease Control and Prevention named an XBB spinoff, called XBB.1.5, a new variant of concern last week. It represents more than 40% of cases nationwide,SoRelle said that his team separates XBB and XBB.1.5 for surveillance projects with the state but that for general reporting he would only split the variants when there appears to be a significant difference.
The latest subvariants have forced infectious disease experts to reconsider treatment options for patients prone to severe illness. Researchers found that antiviral drugs used to treat COVID-19, like Paxlovid, are still effective against the newest omicron offshoots, but monoclonal antibodies are not.
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