Another question, why is omicron affecting children more than other variants. here's the former head of the fda. >> it appears to be more of an upper airway disease versus lower airway disease. that's good for most americans but the problem is toddlers who have trouble with upper airway infections. they have more croup and bronchiolitis. we are seeing rising hospitalizations among the pediatric segment. >> a lot of our toddlers have been admitted with those kinds of symptoms and even before, you know, covid a lot of the viruses started off as upper airway viruses but then sometimes could still...