The severe virus can cause pneumonia and kills about one-third of the people who get it.
Officials say the patient had just visited Saudi Arabia and is now quarantined at a hospital in Indiana. The CDC is now looking for people who came in contact with him.
Fox News’ Roberts reported that there has been a rise in cases reported in Saudi Arabia. On April 24, the man boarded a plane from Saudi Arabia to London Heathrow Airport. From there, he caught a connection to O’Hare Airport in Chicago, Illinois. Then he got on a bus and went home to Indiana.