Health officials say a deadly virus from the Middle East has turned up for the first time in the U.S.
No details about the case have been released. The Centers for Disease Control and Prevention planned a Friday afternoon briefing about the case.
The CDC says it is investigating along with health officials in Indiana.
Middle East respiratory syndrome - or MERS - first surfaced two years ago. Since then, at least 400 cases of the respiratory illness have been reported, and more than 100 people have died.
Saudi Arabia was been the center of the outbreak. All the victims have had ties to the Middle East or to someone who traveled there.
The virus has been found in camels, but officials don't know how it is spreading to humans.