(CBS NEWS) Two Peace Corps volunteers in Liberia have been isolated for exposure to the Ebola virus, CBS News has learned.
They are currently showing no signs of sickness. The incubation period for the disease can be up to 21 days. The names of the isolated Americans have not been released.
A Peace Corps spokeswoman confirmed to CBS News that the two "had contact with an individual who later died of the Ebola virus."
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