A woman who worked with Ebola patients in Sierra Leone was taken off a United Airlines flight by police in hazmat suits Monday afternoon and was being monitored for the deadly virus at a New Jersey hospital.

The Bergen Record reported that Port Authority police in hazmat suits boarded United Airlines Flight 45 at Newark Liberty International Airport shortly after it arrived from Brussels. The paper reported that the unidentified woman was removed to an ambulance waiting on the tarmac and taken to Hackensack University Medical Center.

Officials told the paper that the woman had exhibited a high fever and had vomited on the flight.

All 248 passengers and 14 crew members were given health forms to fill out and were told that authorities wanted to make sure they could get in touch with them over the next three weeks. 21 days is the maximum typical incubation period for the Ebola virus.

A hospital official said the woman did not have a fever when she arrived at the facility. The hospital's chairman of emergency services, Dr. Joseph Feldman, released a statement saying the woman was being held overnight out of "an abundance of caution."

Newark Liberty is one of five airports allowed to receive flights carrying people coming from West Africa. At least 8,400 people have been killed by a months-long Ebola outbreak. Most of the victims are from three countries: Sierra Leone, Guinea, and Liberia.

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