Watch NBC News NOW special coverage hosted by Dr. John Torres – Coronavirus Crisis: Your Questions Answered. » Subscribe to NBC News: » Watch more NBC video: NBC News Digital is a collection of innovative and powerful news brands that…

Six new COVID-19 cases have been confirmed in Los Angeles, including a federal contract employee brought in to help screen international travelers for the virus. Officials in the region of nearly 10 million people have now advised citizens to avoid…

New research suggests too many Americans using Vitamin D, despite strong evidence that taking the supplements will make them healthier. » Subscribe to NBC News: » Watch more NBC video: NBC News is a leading source of global news and…