Coronavirus: Pfizer booster may better protect than third CoronaVac shot, finds Turkish study

For people fully immunised with Sinovac Biotech’s Covid-19 vaccine, adding a Pfizer/BioNTech booster shot may yield greater protection than a third Sinovac dose, new research from Turkey suggests.Health care workers who received a booster shot of the Pfizer/BioNTech dose were found to have higher antibody levels – thought to be a marker of vaccine efficacy – than those who received a third dose of Sinovac’s CoronaVac vaccine, when measured 28 to 45 days after the shot, medical researchers at…

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