"All 10 patients will be kept in the hospital as a precaution until we know those final results", Phillips said.
There were at least 500 people onboard the flight from Dubai.
No one on either plane was quarantined, American Airlines spokeswoman Leslie Scott said.
Flight 203 from Dubai landed at 9.10am local time with 521 passengers.
Emirates can confirm that about 10 passengers on #EK203 from Dubai to NY were taken ill. He said the sick people were on what he called the "bottom floor".
Emirates confirmed to People that the Centers for Disease Control staff and Port Authority officials from NY and New Jersey were on the scene when the plane arrived.
Later in the morning, Coben uploaded more photos showing passengers having their temperature taken by CDC officials as they disembarked.
Upon its arrival and staging at a hard stand area, emergency medical response teams investigated the cause of the illness, which was later said thought to be caused by food poisoning.
Eric Phillips, a spokesperson for de Blasio, tweeted that the flight stopped in Mecca, which is experiencing a flu outbreak, and "early indications point to that as a possibility". Health workers were evaluating about the passengers as the airplane sat on the tarmac of the airport, authorities said.
Airline representatives did not immediate respond to an email requesting information.