Michael Osterholm, director of the Center for Infectious Disease Research and Policy at the University of Minnesota, talks to Meet the Press about the Covid-19 delta variant and what it takes for people to stay safe now.» Subscribe to NBC…

Moderna’s vaccine, created with the National Institutes of Health, is being studied in 30,000 volunteers who received either the real vaccination or a dummy shot For the second time this month, there’s promising news from a COVID-19 vaccine candidate: Moderna…