U.S. health officials have said the country’s healthcare system is well prepared to contain any spread of Ebola through careful tracking of people who had contact with the patient and appropriate care for those admitted to hospital.

“His whole family was screaming. He got outside and he was throwing up all over the place,” resident Mesud Osmanovic, 21, said on Wednesday, describing the chaotic scene before the man was admitted to Texas Health Presbyterian Hospital on Sunday where he is in serious condition.