coronavirus April 20, 2020 5:10 pm Concerns Raised Over Antibody Testing News that many coronavirus antibody tests coming from China could be flawed is raising concerns. News4’s Doreen Gentzler explains. Local 3:17 ‘Below the Belt' film works to advance endometriosis awareness and funding 4:45 Seeking a sickle cell cure: 12-year-old in DC is 1st patient to get new gene therapy 4:53 Here's what to check before any cosmetic procedure 1:56 Primary care clinics open in DC housing complexes 2:27 Vitamin K shots for newborns: A doctor debunks myths and explains why the shots are essential