coronavirus March 6, 2020 7:38 pm Maryland Lawmakers Tour NIH In Bethesda, labs are working to create a vaccine for the new coronavirus. Maryland lawmakers just went to the National Institutes of Health to see researchers’ work. News4’s Derrick Ward reports. Local 0:55 Halle Berry helps unveil menopause research bill during Capitol Hill visit 2:54 ‘Healthy moms equal healthy babies': Children's National offers maternal health care 2:14 Opioid crisis: National drug take back day on Saturday 2:55 Concussion treatment: Returning to school and limiting screen time may help, study finds 2:39 What to know about ADHD medication and pregnancy