COVID-19 vaccines: the state of the art

Effective SARS-CoV-2 vaccines appeared in record time, with 68% of Italians, 60% of Americans, and 32% of all human beings already having at least one dose. Most of the 138 candidates quit by Phase 2; the German mRNA vaccine CureVac went through an entire Phase 3 trial before flaming out with only 48% efficacy. WHO-approved

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COVID-19 vaccines: the state of the art originally appeared in KevinMD.com.

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