The United Center begins its second day of vaccinations against COVID-19 on Wednesday after its launch the day before was marked by conflicting information and confusion about appointments. Sandra Torres reports. Connect with NBC 5 Chicago Online Visit nbcchicago.com : https://www.nbcchicago.com/ Facebook: https://www.facebook.com/nbcchicago/ Twitter: https://twitter.com/nbcchicago Instagram: https://www.instagram.com/nbcchicago/