ボキャブラリーを着実に増やす

The Boston Globe
2021/09/21
BREAKING NEWS ALERT

Johnson & Johnson said Tuesday that people who receive a booster shot of its COVID-19 vaccine two months after the first shot had significantly higher protection against symptomatic illness in a closely watched clinical trial.

The one-dose vaccine, which licensed technology from Beth Israel Deaconess Medical Center, had been found to be 66 percent effective in preventing moderate and severe disease worldwide and 72 percent effective against such cases in the US, robust protection but well below the performance of the two-dose vaccines from Pfizer and Moderna.

But when people received a Johnson & Johnson booster shot two months after getting the drug giant’s vaccine, the protection increased to 94 percent in the US and 75 percent globally. And two doses were 100 percent protective against severe disease that can result in hospitalization or death, regardless of where recipients lived, the company said.

Courtesy of The Boston Globe

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