Dr Anthony Fauci is the director of the US National Institute of Allergy and Infectious Diseases. He says that as a physician and scientist, he would not have recommended quarantine.
New York, New Jersey and Illinois have imposed mandatory quarantines on travelers returning from West Africa who had contact with Ebola patients.
That move followed an Ebola diagnosis in a Doctors Without Borders doctor last Thursday. The doctor is now in isolation at Bellevue Hospital in New York.