that now. he says we're doing a good job, with more than 30 million people get into the hundreds of eed to- millions of people boosted and vaccinated. whit? >> erielle, our thanks to you tonight. now, to the deadly christmas parade horror in waukesha, wisconsin. we've now learned the identity of the sixth vicvictim, a child. jackson sparks was just 8 years old. the oldest killed was 1. abc's alex perez on the lives lost. >> reporter: heartbreak in waukesha tonight, remembering the youngest victim of the tragedy at the christmas parade. 8-year-old jackson sparks, killed by that suv barreling through the crowd. his older brother tucker still in the hospital. his family saying, "by the grace of god, is recovering from his injuries." the victims ranging from 8 to 81. three of them members of the dancing grannies, there to delight the families who came out to watch the parade. >> we lost so many of our members. right now, it's very raw. it's very, very difficult.