omicron isn't as sickening or deadly as previous variants, just by the sheer number of cases they expect to see hospitalizations rise. poppy? >> as a parent covering this, i wonder how striking this is for you. for me the saving grace is our children were largely being spared. but they're not anymore. >> reporter: they're not. a lot of them, especially under 5, are most at risk because they don't have the choice to get vaccinated. texas children's hospital is one of the hospitals that are participating in a study to help get those vaccinations for children under 5, but that's going to take more time. it is disturbing to be in the icu ward here and see the youngest and most vulnerable ventilated. some were vaccinated and some