Health
Pfizer vs AstraZeneca COVID-19 vaccines: Study compares effectiveness against the dangerous Delta coronavirus variant – 7NEWS.com.au
Researchers have confirmed that there is a small difference but insist there’s no cause for concern.
A major new study has revealed how effective coronavirus vaccines are against the Delta variant.
Scientists from the University of Oxford say the Pfizer COVID-19 vaccine has 85 per cent effectiveness against symptomatic infection two weeks after the second…
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