Health workers move a second US patient into a hospital
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Ebola patient Nancy Writebol arrives in Atlanta

A second US aid worker infected with Ebola in Liberia has arrived at a hospital in Atlanta

Nancy Writebol, 59, was wheeled into Emory University Hospital on Tuesday on a stretcher, covered in protective clothing.

Dr Kent Brantly, 33, also diagnosed with the virus, arrived at Emory on Saturday and walked from an ambulance.

Both will be treated in an isolation room.