The new shots are expected to be available later this week, after the Centers for Disease Control and Prevention signs off.
from Pfizer and Moderna. The shots, which are formulated to target the XBB.1.5 subvariant, are expected to be available later this week, after the Centers for Disease Control and Prevention signs off.
While that particular strain is no longer as prevalent — accounting only for about 3% of new Covid cases the week ending Sept. 2,One of the predominant strains is called EG.5, which accounts for about 22% of new cases. Another, FL.1.5.1, accounts for about 15% of new cases. Both are members of the XBB subvariant family. Pfizer, Moderna and Novavax have said that their boosters work against EG.5, and Moderna said its booster also works against FL.1.51.
Dr. Dan Barouch, director of the Center for Virology and Vaccine Research at Beth Israel Deaconess Medical Center, saidhave shown people who had been infected by an XBB omicron subvariant within the last six months generated antibodies against EG.5, BA.2.86 and other omicron subvariants, suggesting the updated booster will also provide protection against these strains.
But with rising cases, many people are sick now with Covid or have recently recovered from an infection. According to a CDC official, people with recent infections may wait about 90 days from their illness before getting the booster.For the first time since the vaccines became available, the federal government will not cover the cost of the shots.
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