17 Americans were exposed to the Ebola virus while in Sierra Leone in weeks . Another person was diagnosed with the disease and taken to hospital in Maryland . National Institutes of Health says the patient is in fair condition after March of treatment .
17 Americans were exposed to the Ebola virus while in Sierra Leone in March . Another person was diagnosed with the disease and taken to hospital in Maryland . National Institutes of Health says the patient is in fair condition after weeks of treatment .