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Some medical experts say one-shot regimen for Pfizer, Moderna COVID-19 vaccines not enough
LOS ANGELES - Following the recent emergency approval by U.S. regulators for a coronavirus vaccine from Johnson & Johnson which contains a single-dose regimen, some medical experts are saying one dose isn’t enough for full protection against COVID-19. "You would be flying blind to just use one dose," said one senior scientist and adviser to President Joe Biden told the Wall Street Journal.