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@joelle_emerson ("Joelle Emerson") retweeted:
@PaulMainwood ("Paul Mainwood") wrote:
Booster dose cuts your chances of getting infected with Delta by at least 7x-9x vs being double-vaccinated. UK real-world data with Pfizer & AZ.
Will this be it, or will more boosters be needed?
No-one knows. But three doses gives better protection than two doses **ever** did.
