the world health organization warning doctors to be on t lookout for multisystem inflammatory syndrome. 9-year-old bobbyks ago after complaining of stomach pain. >> it was scary at first. >> he had a fever, extreme abdominal pain, red swollen pai chapped lips. he had a rash around his lips, a rash on his ankle, red eyes, nausea, vomiting, chapped lips he had a rash around his lips, a rash on his ankle, red eyes, nausea, vomiting, diarrhea. >> when bobby was admitted to the hospital, his heart was racing. >> elevated heart rate and lower blood pressure added signals this wasn't adding up. in realtime we started learning about the disease. >> bobby had been exposed to coronavirus through his mother and his aunt both had only mild symptoms. some doctors theorizing it's caused by overreaction in young patient's immune system causing complications. >> the reports are concerning. there appears to be some kind of post viral symptom associated with this virus. >> while the cases are rare, the syndrome can be deadly at least three children died in the u.s. and 130 cases have been reported so far in 19 states so