J&J’s (JNJ) New Data Shows COVID-19 Booster Ups Protection Posted byZacks Equity Research September 22, 2021 Leave a comment on J&J’s (JNJ) New Data Shows COVID-19 Booster Ups Protection J&J’s (JNJ) data showed that a booster dose of its vaccine generated 94% efficacy against mild-to-severe COVID-19 in the United States. The data also…