
J&J says booster dose increased antibodies in early-stage studies
The Peninsula
CHICAGO: A booster dose of Johnson & Johnson's COVID-19 vaccine sharply increased levels of antibodies, according to interim data from two early-stage trials, the company said on Wednesday.
A second dose of the J&J single-dose vaccine resulted in binding antibody levels nine times higher than the levels 28 days after people received their first dose, the company said in a press release. Unlike neutralizing antibodies, which destroy the virus, binding antibodies attach to the virus but do not destroy it or prevent infection. Instead, they alert the immune system of its presence so white blood cells can be sent to destroy it.More Related News

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