coronavirus April 18, 2021 11:05 pm Vaccination Efforts Reach Milestone in US More than 50% of adults in the U.S. have had at least one COVID-19 shot. NBC 6’s Steve Litz reports US & World Videos 4:52 Celebrity therapist discusses warning signs of mental health struggles, effects on Black community 1:39 6 to know – Top stories of the day 0:45 Men accused of sexually assaulting teen get probation 2:30 Mother remembers son killed while riding scooter in North Lauderdale 2:44 Families of teens in viral boat trash dump video speak out after arrests