The FDA has begun reviewing data to potentially authorize a fourth dose of the Pfizer and Moderna COVID-19 vaccines for the fall.
But some Americans may not want a fourth dose if they’re tired of taking COVID-19 vaccines or remain hesitant about getting the first doses.from the CDC. About 45% of fully vaccinated people have received a booster shot.
Researchers have debated whether a fourth dose is necessary, particularly against highly contagious variants such as Omicron or new ones that may emerge. Some reports have suggested that protection from a third dose of the Pfizer or Moderna vaccine remains strong overall, though the risk of hospitalization increases over time.
While considering a fourth dose, U.S. regulators have kept an eye on research in other countries, particularly Israel, which has led the way in giving extra doses. Israel has Broadly, some vaccine makers have already begun preparing for booster shots to become an annual practice, the newspaper reported. Pfizer is testing a vaccine that targets the Omicron variant and has said that people may need an annual shot, with high-risk people such as the immunocompromised and older adults potentially needing another dose sooner.
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