Pentagon: Ebola troop levels could reach 4,000

The Pentagon on Friday projected that it could deploy as many as 4,000 U.S. troops to West Africa as part of America's response to the crisis, a figure well above estimates of about 3,000 previously given.

President Barack Obama's senior administration will hold a briefing on the government's response to the Ebola pandemic later Friday at 4:30 p.m. ET.

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Earlier, the Dept. of Transportation issued a special waste management permit for the Texas hospital caring for the the patient who tested positive for the virus after arriving in the U.S. from Liberia last month.

The Texas Health Presbyterian Hospital Dallas
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Texas officials have identified 100 of the patient's close contacts and half of them are now being monitored daily for the symptoms of the potentially fatal virus. Approximately 10 of those under observation are at high risk.

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Separately, the Subcommittee on Oversight and Investigations has scheduled a hearing for Oct. 16 to discuss the countries preparedness and response to the outbreak, which has killed more that 3,000 people in West Africa.

"The Ebola outbreak is a global public health issue that demands an all-hands-on-deck response. We cannot afford to look back and say we could have done more," says full committee chairman Fred Upton. "The United States has a first-class health care system and we will do everything necessary to treat the sick, contain the threat, and protect the public health."

--Reuters contributed to this report.