Omicron has a gaggle of mutations that enhance its ability to elude the neutralizing effects of antibodies, the first layer of immune system protection produced by the shots, as well as by natural infections. Most vaccinated people in the United States received either the Pfizer or Moderna vaccines.Federal health officials have urged people for several months to get the third shots.
Health experts welcomed the new data, saying they hoped it would encourage millions of vaccinated Americans to get booster shots. The latest U.S. data echo what researchers in the United Kingdom previously found — that after a third shot of the Pfizer vaccine, protection against hospitalization was above 95 percent and remained around 80 percent even after four months.
Misinformation is also rampant in the United States, including the idea the vaccines don’t work at all. Former president Donald Trump was booed last year at a rally when he revealed he had gotten a booster shot. Sharfstein, who regularly volunteers at a Baltimore city vaccination clinic, said many people getting their first shots say “they never got around to it until their job required it.” Others, including those getting boosters, are scared of omicron because they know people who are sick, he said.
Four states have given boosters to a majority of the vaccinated people, according to the latest CDC data: Vermont, Maine, Wisconsin and Minnesota. Five states plus the District have given boosters to less than a third of the people with vaccinations: North Carolina, Alabama, Georgia, Texas and Mississippi.
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