The world has been on edge monitoring a hantavirus outbreak aboard a luxury cruise ship that already claimed the lives of three people. 18 Americans who were on the boat arrived back to the United States early Monday. The majority of them, including at least one who tested positive, are at the University of Nebraska, while two others, including one who was experiencing symptoms, are at Emory University in Atlanta. Dr. Omer Awan, a senior healthcare contributor at Forbes, joined "Forbes Newsroom" to discuss.

Watch the full interview above.