The second Dallas health care worker who was found to have the Ebola virus should not have boarded a commercial jet Monday, health officials say.
Because she had helped care for Ebola patient Thomas Eric Duncan, and because another health worker who cared for Duncan had been diagnosed with Ebola, the worker was not allowed to travel on a commercial plane with other people, said Dr. Tom Frieden, director of the Centers for Disease Control and Prevention.
The worker had a temperature of 99.5 Fahrenheit (37.5 Celsius) before she boarded her flight, he added.
Health care workers who had been exposed to Duncan were undergoing self-monitoring. They were allowed to travel but not on a commercial plane with other people, Frieden said.
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Moving forward, the CDC will ensure that no one else in such a situation travels outside of a closed environment, he said.
The worker is Amber Vinson, 29, a nurse at Texas Health Presbyterian Hospital in Dallas. She was confirmed to have Ebola overnight.
Now, she will be transferred from the Dallas hospital to Emory University Hospital in Atlanta, which has successfully treated two other patients. It is now treating a third: a male health care worker who was infected in Sierra Leone.
Vinson is "ill but clinically stable," Frieden said.
The first Dallas health care worker with Ebola, Nina Pham, is in "improved condition," Frieden said. It has not been determined whether she will be transferred to another facility.
Both Dallas health workers had "extensive contact" with Duncan on September 28-30, when he had "extensive production of body fluids" such as vomit and diarrhea, Frieden told reporters in a conference call.
CDC wants to interview passengers
The risk of exposure to the passengers who were on the plane with Vinson is low, since she did not yet have symptoms, health officials said Wednesday. The Ebola virus is not contagious before symptoms set in.
Still, the CDC wants to interview all 132 passengers who were on the plane with her.
"Because of the proximity in time between the evening flight and first report of illness the following morning, CDC is reaching out to passengers who flew on Frontier Airlines flight 1143 Cleveland to Dallas/Fort Worth Oct. 13," the CDC said in a statement. The flight landed Monday at 8:16 p.m. CT.
The woman "exhibited no symptoms or sign of illness while on Flight 1143, according to the crew," Frontier Airlines said in a statement.
Vinson flew from Dallas-Fort Worth to Cleveland a week ago, on October 8, said Toinette Parrilla, director of the Cleveland Department of Public Health.
Frontier Airlines, however, said she traveled to Ohio on October 10 -- and specifically asked people who may have been on a flight on that date to contact the CDC at 1-800-CDC-INFO (1-800-232-4636).
The CDC, in a joint news release with Frontier, said it wanted to speak only with passengers on the October 13 flight. The CDC later confirmed to CNN that it is "only interested" in the passengers on Flight 1143.
The October 13 flight was cleaned thoroughly after it landed, "per our normal procedures which is consistent with CDC guidelines," the airline said. After the airline was informed of the Ebola patient, the plane was removed from service.
After going through decontamination, the plane was going back into service on Wednesday, Ricky Smith, Cleveland's Director of Port Control, said at a news conference. Both the CDC and the airline were comfortable that it was safe to resume operations, he said.
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In a sign of growing concerns about Ebola, President Barack Obama canceled trips to New Jersey and Connecticut on Wednesday to convene a meeting at the White House of Cabinet agencies coordinating the government's response to the outbreak.
Hospital denies 'institutional problem'
Vinson, who lives alone, is in isolation at Texas Health Presbyterian Hospital.
The news that she contracted Ebola cast further doubt on the hospital's ability to handle the virus and protect employees.
It's the same hospital that initially sent Duncan home, even though he had a fever and had traveled from West Africa. By the time he returned to the hospital, his symptoms had worsened. He died while being treated by medical staff, including the two women who have contracted the disease.
"I don't think we have a systematic institutional problem," Dr. Daniel Varga, chief clinical officer of Texas Health Resources, told reporters, facing questions about the hospital's actions.
Medical staff "may have done some things differently with the benefit of what we know today," he said, adding, "no one wants to get this right more than our hospital."
People in the Vinson's office building were informed when officials went door to door, and also through early morning reverse 911 calls, officials said.
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