The flight originated in Dubai.
None of the people on board the jet were thought to have come from West Africa.
At 9:44PM passenger Tracy Barahona tweeted: “Ok just announced that all patients of concern have been removed from plane.”
A spokesman for the airport said the five passengers were “exhibiting flu-like” symptoms.
The ill passengers are believed to be Saudi Arabian.
The US has been in a state of red alert after a nurse in Texas contracted Ebola while treating a dying patient.
Nina Pham, 26, became infected while tending to Thomas Eric Duncan, a Liberian national who passed away last week.