The miracles happen: Army Covid Vaccine

Army Covid Vaccine Could Provide Broad Variant Protection
NBC News Courtney Kube breaks down the work scientists at Walter Reed National Military Medical Center have been doing to create a new vaccine that might be effective against all known variants of Covid-19, including Omicron and previous Coronavirus. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit