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U.S. kids exposed to Ebola case being monitored

DALLAS - A handful of school-aged children who had contact with the first man diagnosed with Ebola in the U.S. are being monitored.

Health officials learned Wednesday that five children have been identified as having contact with the man and are being monitored at home. The man has been in isolation at Texas Health Presbyterian Hospital in Dallas since Sunday.

Ebola in America: Man hospitalized with first... 02:23

Health authorities have not revealed his nationality or age, but the man who is the first person to be diagnosed with Ebola in the U.S. was identified as Thomas Eric Duncan by CBS Dallas station KTVT-TV.

He was listed in serious condition Wednesday.

Authorities say the ambulance crew who transported the man and members of his family are among the 12 to 18 people being monitored after exposure to the man. Some are family members, but not all, officials said.

The three-person ambulance crew has so far tested negative for the virus, but are still being isolated.

Duncan told relatives that he notified health care workers the first time he went to the hospital that he was visiting the U.S. from Liberia, his sister Mai Wureh told The Associated Press on Wednesday.

She said Duncan went to a Dallas emergency room on Friday and was sent home with antibiotics. He returned two days later after his condition worsened and was admitted to Texas Health Presbyterian Hospital.

Dr. Mark Lester confirmed Wednesday that a nurse asked Duncan on his first visit whether he had been in an area affected by the Ebola outbreak that has killed thousands in West Africa, but that "information was not fully communicated throughout the whole team."

A nine-member group of federal health officials was tracking anyone who had close contact with the man.

The team from the Centers for Disease Control is in Dallas to work with local and state health agencies to ensure that those people are watched every day for 21 days.

"If anyone develops fever, we'll immediately isolate them to stop the chain of transmission," Tom Frieden, director of the Centers for Disease Control, said.

CDC director on threat of a potential U.S. ou... 02:55

Earlier Wednesday, Frieden told "CBS This Morning" he was not worried about this being the beginning of an outbreak.

"The bottom line is we're stopping this in its tracks in the U.S.," Frieden said. "And I'm confident we can do that because of our strong health care and infection control, and our strong public health system."

Duncan has been in isolation at Texas Health Presbyterian Hospital since Sunday. He was listed in serious but stable condition Wednesday.

Ebola is believed to have sickened more than 6,500 people in West Africa, and more than 3,000 deaths have been linked to the disease, according to the World Health Organization.

Ebola symptoms can include fever, muscle pain, vomiting and bleeding, and can appear as long as 21 days after exposure to the virus. The disease is not contagious until symptoms begin, and it takes close contact with bodily fluids to spread.

The man left Liberia on Sept. 19, arrived the next day to visit relatives and started feeling ill four or five days later, Frieden said.

Frieden said he didn't believe anyone on the same flights as the patient was at risk.

The man traveled from the Liberian capital of Monrovia to Brussels and then to Dallas, according to a spokeswoman for the Belgium health ministry, Vinciane Charlier.

"Ebola doesn't spread before someone gets sick, and he didn't get sick until four days after he got off the airplane," Frieden said.

Four American aid workers who became infected in West Africa have been flown back to the U.S. for treatment after they became sick. They were treated in special isolation facilities at hospitals in Atlanta and Nebraska. Three have recovered.

A U.S. doctor exposed to the virus in Sierra Leone is under observation in a similar facility at the National Institutes of Health.

The U.S. has only four such isolation units, but Frieden said there was no need to move the latest patient because virtually any hospital can provide the proper care and infection control.

Blood tests by Texas health officials and the CDC separately confirmed his Ebola diagnosis Tuesday.

The hospital is discussing if experimental treatments would be appropriate, Frieden said.

Passengers leaving Liberia pass through rigorous screening, the country's airport authority said Wednesday. But those checks are no guarantee that an infected person won't get through and airport officials would be unlikely to stop someone not showing symptoms, according to Binyah Kesselly, chairman of the Liberia Airport Authority's board of directors.

CDC officials are helping staff at Monrovia's airport, where passengers are screened for signs of infection, including fever, and asked about their travel history. Plastic buckets filled with chlorinated water for hand-washing are present throughout the airport.

Liberia is one of the three hardest-hit countries in the epidemic, along with Sierra Leone and Guinea.

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