February 16, 2017 6:45 pm Botched Zika Tests Cause False Negatives in DC District officials say problems with testing led to mistakes, including for two pregnant women whose specimens retested positive for Zika virus. Mark Segraves reports. Local 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 2:09 DC clinic offers mental health support for children