FDA confirms Johnson & Johnson vaccine prevented all deaths and hospitalizations in trial

The United States could be days away from getting a third COVID-19 vaccine. A Food and Drug Administration review has confirmed that Johnson & Johnson's COVID-19 vaccine, which only requires a single shot, is safe and effective, meaning it could be authorized for emergency approval "as soon as this weekend," The Washington Post reports. The FDA review showed the vaccine in a large clinical trial was 66 percent effective at preventing moderate to severe COVID-19, though it was 85 percent effectiv...