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J&J Says Covid-19 Booster Shot Triggered an Antibody Surge
Posted
August 25, 2021
Views
1,325
Likes
14
Comments
8
Engagement
1.66%
August 25, 2021
1,325
14
8
1.66%
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Aug 25, 20210:48Now PlayingJohnson & Johnson said a booster of its Covid-19 vaccine provided a rapid and strong increase in antibodies, supporting use of a second shot among people who previously received its single-dose immunization.
A second dose of the J&J vaccine led to a ninefold increase in Covid-fighting antibodies compared with the levels participants had 28 days after getting their first shot, the health-care giant said Wednesday, citing interim data from an early-stage trial.
Trial participants were given the booster six months after the first shot, according to J&J. Significant increases in antibody responses were seen in subjects ages 18 to 55 years old, and among those 65 or older who were given a lower dose of the booster. The data are being submitted to a preprint medical publication, MedRxiv.
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