No exact number of how many are at risk and need to be monitored
About 70 staff members at Texas Health Presbyterian Hospital were involved in the care of Thomas Eric Duncan after he was hospitalized, including a nurse now being treated for the same Ebola virus that killed the Liberian man who was visiting Dallas, according to medical records his family provided to The Associated Press.
The size of the medical team reflects the hospital’s intense effort to save Duncan’s life, but it also suggests that many other people could have been exposed to the virus during Duncan’s time in an isolation unit.
On Monday, the director of the Centers for Disease Control and Prevention said the infection of the nurse means the agency must broaden the pool of people getting close monitoring. Authorities have said they do not know how the nurse was infected, but they suspect some kind of breach in the hospital’s protocol.
The medical records given to the AP offer clues, both to what happened and who was involved, but the hospital said the CDC does not have them.
A CDC spokeswoman said the agency reviewed the medical records with Duncan’s care team and concluded that the documents were not helpful in identifying those who interacted directly with the patient.
"This is not something we can afford to experiment with. We need to get this right," said Ruth McDermott-Levy, who directs the Center for Global and Public Health in Villanova University’s College of Nursing.
Until now, the CDC has been actively monitoring 48 people who might have had contact with Duncan after he fell ill with an infection but before he was put in isolation. The number included 10 people known to have contact and 38 who may have had contact, including people he was staying with and health care professionals who attended to him during an emergency room visit from which he was sent home. None is sick.
The CDC has not yet established a firm number of health care workers who had contact with Duncan.
"If this one individual was infected — and we don’t know how — within the isolation unit, then it is possible that other individuals could have been infected as well," said Dr. Tom Frieden, director of the CDC. "We do not today have a number of such exposed people or potentially exposed health care workers. It’s a relatively large number, we think in the end."
Caregivers who began treating Duncan after he tested positive for Ebola were following a "self-monitoring regimen" in which they were instructed to take their temperatures regularly and report any symptoms. But they were not considered at high risk.
Typically, the nurses, doctors and technicians caring for a contagious patient in isolation would be treating other people as well and going home to their families after decontaminating themselves. The hospital has refused to answer questions about their specific duties.
The 1,400-plus pages of medical records show that nurses, doctors and other hospital employees wore face shields, double gowns, protective footwear and even hazmat suits to avoid touching any of Duncan’s bodily fluids. Ebola spreads through direct contact with those fluids, usually blood, feces and vomit. The virus has also been detected in urine, semen and breast milk, and it may be in saliva and tears.
CDC officials said there were chinks in that protection at Texas Presbyterian, but they have not identified them and are investigating.
"Patient had large, extremely watery diarrhea," a nurse wrote in a report filed the day Duncan tested positive.
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