Researchers estimated how well Pfizer or Moderna booster shots prevented visits to ERs, urgent care centers and hospitalizations.
Health experts expect protection from the vaccines to wane. The U.S. booster campaign was based on evidence that emerged last year that vaccine protection was fading six months after people got their initial vaccinations.
Still, the new study’s finding was notable, said Dr. William Schaffner, a Vanderbilt University vaccines expert. But Schaffner also said he’d like to see more research about the durability of booster protection, adding “let’s take this with a grain of salt.”
France Dernières Nouvelles, France Actualités
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