The BA.5 subvariant continues to dominate, but BA.4.6 is starting to take hold – NBC Chicago

As new omicron-specific COVID vaccines enter the market, another subline of this virus is beginning to take hold in the United States.

According to the latest data from the Centers for Disease Control and Prevention, the BA.4.6 subvariant continued to gain ground this week, now accounting for around 8.4% of COVID cases.

That’s a slight increase from a week ago, when the subvariant was responsible for about 7.6% of cases in the United States.

For the first time since becoming the dominant strain of COVID in the United States on July 2, the BA.5 subvariant has not increased its share of the number of cases in the United States. According to CDC estimates, the subline still accounts for an estimated 88.6% of cases.

According to CDC measurements, omicron subvariants are the only strains that still account for a measurable share of the total number of COVID cases in the United States

The news comes as an updated version of the COVID vaccine is making its way into US pharmacies and medical clinics. The new vaccines from Pfizer and Moderna have both been specifically formulated to target both the original strain of COVID and the omicron strains of the virus, and bivalent boosters will be recommended for those who need new vaccines within weeks and months. coming.

According to White House officials, COVID vaccines could potentially become an annual ritual for millions of Americans, with one booster shot needed per season as new variants of the virus emerge.

NBC Chicago

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