First Lady Dr. Jill Biden visits Dallas to promote COVID-19 vaccinations Dr. Jill Biden promotes COVID-19 vaccines in Dallas Biden stopped at a vaccination site at Dallas ISD’s Conrad High School to encourage young people to get the vaccine. DALLAS - First Lady Dr. Jill Biden visited North Texas on Tuesday to support a stalled-out COVID-19 vaccination effort across the country. Biden stopped at a vaccination site at Dallas ISD’s Conrad High School to encourage Americans, and especially young people, to get the vaccine. A young boy had a great distraction while getting the shot: a conversation with the first lady and Pro Football Hall of Famer Emmitt Smith.