August 17, 2012 6:54 pm West Nile Cases in Virginia and Maryland Two new cases of human west nile virus have been found in Virginia. Maryland has five known cases. No cases detected in the District of Columbia. Local 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 2:08 How to pick the best running shoes for outdoor exercise 3:41 Nail biting: A psychiatrist shares tips