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US Ebola patient in critical condition

It's bad news for the health care worker who was infected in Sierra Leone while trying to help fight the West African epidemic, which has killed thousands.

Security personnel guard a patient's entrance at the National Institutes of Health in Bethesda, Maryland on Oct. 16, 2014. (Photo by Gary Cameron/Reuters)
Security personnel guard a patient's entrance at the National Institutes of Health in Bethesda, Maryland on Oct. 16, 2014.Reuters

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