As the Delta variant fuels the latest surge in cases of COVID-19, there's new evidence that the protection the vaccines provide may be on the decline.
Ugur Sahin, CEO of BioNTech, the company that helped develop the Pfizer vaccine, told the Wall Street Journal that "antibody levels are dropping seven months after immunization among some vaccine recipients," but he added, "Most of them will remain protected against severe disease and might not need a third dose."
Dr. Anthony Fauci suggested a booster shot may be needed for people with weaker immune systems.
"Those are the kind of individuals that if there's going to be a third booster, which might likely happen, would be among first, the vulnerable," he said.
"Those are the kind of individuals that if there's going to be a third booster, which might likely happen, would be among first, the vulnerable," he said.
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