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Pfizer says 3rd dose of its vaccine can ‘strongly’ boost protection against delta variant



Pfizer says a third vaccine shot would “strongly” boost protection against the highly contagious Delta variant.  The company cited new data that suggests a third shot could improve immune response by up to five times more in people ages 18-55, and eleven times more in people over 65.    Pfizer is currently seeking FDA approval for a third booster shot, which would potentially be administered 12 months after the second dose.  Do you think a third dose is necessary?  Will COVID vaccines become an annual thing like flu vaccines?

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