The CDC is releasing new guidelines involving healthcare workers who return from Ebola-affected countries in West Africa. CDC Director Tom Frieden said a more "active monitoring" program is being implemented in six states. As at-risk individuals are assessed daily, additional restrictions may be imposed as necessary. That may include quarantine.

Dr. Frieden noted that Ebola is very hard to get, but healthcare workers who treat Ebola patients are the most at-risk for contracting the virus.

Officials in New Jersey have been criticized for putting a nurse in a quarantine tent outside a Newark hospital after returning from West Africa. Kaci Hickox was allowed to return home to Maine after threatening to sue the state.

She has shown no symptoms after treating Ebola patients in Sierra Leone and tests for Ebola have come back negative.  (Metro Networks Inc.)

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