Lara Logan of CBS News is being quarantined in a South Africa hotel for three weeks as a precaution after visiting an American-run hospital treating Ebola patients in Liberia for a ``60 Minutes'' report that aired Sunday.

CBS said Monday that Logan's 21-day self-quarantine will end this Friday. Neither Logan nor the four other CBS employees in South Africa have shown any sign that they are infected with the deadly virus.

Logan, speaking in a ``60 Minutes Overtime'' web interview from the room where the CBS crew put its report together, admitted to some cabin fever as she waits out her stay.

The ``60 Minutes'' report detailed her precautions while in Liberia, including being hosed down with a chlorine solution and making sure not to touch people.

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