$Johnson & Johnson (JNJ.US)$$Pfizer (PFE.US)$$BioNTech (BNTX...
$Johnson & Johnson(JNJ.US$ $Pfizer(PFE.US$ $BioNTech(BNTX.US$ Johnson & Johnson studied 65 subjects who received two doses of Pfizer-Biontech vaccine followed by one dose of Pfizer or Johnson & Johnson booster.
Four weeks after the booster shot, Johnson's vaccine increased the neutralizing antibody titer 40-fold, while Pfizer's booster shot increased it 16-fold.
The data show that mixed vaccination "has the potential to induce strong cell-mediated immunity, which is important for immune memory and protection against severe lower respiratory disease."
The continuing potency of two types of enhanced immunity against omicron remains to be determined.
The continuing potency of two types of enhanced immunity against omicron remains to be determined.
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