For severe respiratory illness , at Denver hospital , urgent care , says official . The virus causes symptoms like a cold , except worse , and is prompting up to 30 children a day to seek care at one Kansas City hospital , where about 15 % of the youngsters were placed in intensive care , officials said . Missouri doctor calls it ` ` unprecedented '' in terms of kids in intensive care . ` ` This is the worst I ' ve seen in my time , '' a Denver doctor says . Enterovirus D68 ( EV - D68 ) causes respiratory illness like a cold , only worse .
For severe respiratory illness , at Denver hospital , urgent care , says official . Missouri doctor calls it ` ` unprecedented '' in terms of kids in intensive care . ` ` This is the worst I ' ve seen in my time , '' a Denver doctor says . Enterovirus D68 ( EV - D68 ) causes respiratory illness like a cold , only worse .