decatur and so we re fortunate to be here because if i was elsewhere in the state i would be very, very worried about my kids being back in school. reporter: dr. kelly is an epidemiologist at emory who worked on the covid-19 vaccine and pushing back against anyone who challenges the vaccine s efficacy. i think it s absolutely the right move. we have known historically that vaccine mandates worked to increase uptick of vaccination. many are mandated to enter schools. there s no reason why this one should be any different we know more about this vaccine, its safety profile, its efficacy profile than we have known about any other vaccine in history. reporter: nadya romero, cnn, atlanta. still to come, you may recall the case of 25-year-old ahmed ar bri, the young black man was killed while jogging in a small south georgia town last year. tomorrow the three men charged in his death will go on trial. an update next. enjoy it even if you re sensitive to dairy.