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Johnson & Johnson says booster shot provides strong protection against COVID-19

Posted On: 24 Oct 2021   |   Posted By: Politico

WASHINGTON - Johnson & Johnson on Tuesday said a booster shot of its COVID-19 vaccine given two months after the first strengthens protection against moderate illness and severe disease.
The company said a late-stage clinical trial found that giving a second shot of the single-dose vaccine produced 75 percent protection against moderate and severe disease globally. That figure rose to 94 percent in the United States.
Giving a booster shot six months after the first dose also produced a twelvefold higher antibody level, J&J said.
The booster data has not yet been peer-reviewed or published in a scientific journal.
“Our single-shot vaccine generates strong immune responses and long-lasting immune memory,” said Mathai Mammen, the global head of research and development at J&J's Janssen subsidiary. “And, when a booster of the Johnson & Johnson COVID-19 vaccine is given, the strength of protection against COVID-19 further increases.”
Just under 15 million people in the United States have gotten the J&J COVID-19...

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