Herd immunity is not a strategy, it is a biological fact
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Pfizer partnered with the vaccine’s original developer, Germany’s BioNTech, in March and the following month announced the first human study in Germany. The White House announced Operation Warp Speed in May.
Pfizer partnered with the vaccine’s original developer, Germany’s BioNTech, in March and the following month announced the first human study in Germany. The White House announced Operation Warp Speed in May.
Operation Warp Speed vastly sped up the total process.