FDA to tighten vaccine approval requirements; face shields alone don't reduce virus spread, study suggests — 8 COVID-19 updates

FDA to tighten vaccine approval requirements; face shields alone don't reduce virus spread, study suggests — 8 COVID-19 updates: The U.S. has reported an average of 41,490 new COVID-19 cases daily in the past week, up 13 percent from the average seen two weeks ago, reports The New York Times.