8), two days before a meeting of the FDA's vaccine advisory panel, which will vote on whether to recommend authorization of the vaccine in the U.S, Live Science reported. The documents were released on Tuesday (Dec. Pfizer's new COVID-19 vaccine starts to protect people from the novel coronavirus just 10 days after the first dose, according to new documents from the U.S. T23:30:10.019Z Pfizer's COVID-19 vaccine starts to work just 10 days after 1st dose