U.S. scientists doubtful of one-shot regimen for Pfizer, Moderna COVID vaccines - WSJ

(Reuters) - U.S. scientists are skeptical of a one-shot regimen for Pfizer Inc and Moderna Inc COVID-19 vaccines, saying there isn’t enough evidence that a single dose provides long-term protection, the Wall Street Journal reported https://ift.tt/2OuGw9P. Read full story



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