News Alert: Pfizer data suggest third dose 'strongly' boosts protection against 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.

News Alert: Pfizer data suggest third dose 'strongly' boosts protection against 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. Read More All CNN Newsletters  |  Manage Profile ® © 2021 Cable News Network, Inc. A WarnerMedia Company. All Rights Reserved. One CNN Center Atlanta, GA 30303 Unsubscribe

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