Pfizer shares new data suggesting that a third dose of its Covid-19 vaccine 'strongly' boosts protection against the Delta variant
A third dose of the Pfizer/BioNTech Covid-19 vaccine can"strongly" boost protection against the Delta variant -- beyond the protection afforded by the standard two doses, suggests new data released by Pfizer on Wednesday.
What Pfizer's plan for a third coronavirus vaccine dose means for youThe data posted online, which are expected to be discussed in a company earnings call on Wednesday morning, suggest that antibody levels against the Delta variant in people ages 18 to 55 who receive a third dose of vaccine are greater than five-fold than following a second dose.
There's"estimated potential for up to 100-fold increase in Delta neutralization post-dose three compared to pre-dose three," researchers wrote in the Pfizer data slides.The data have not yet been peer-reviewed or published.Read MoreThe data also show that antibody levels are much higher after a third dose than a second dose against the original coronavirus variant and the Beta variant, first identified in South Africa.
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