State troopers and a television reporter stand across from the home where Kaci Hickox, a nurse who treated Ebola patients in West Africa, is staying, Wednesday, Oct. 29, 2014, in Fort Kent, Maine. Hickox said Wednesday she plans to stop quarantining herself in rural Maine, signaling a potential showdown with state police monitoring her home and state officials preparing to legally enforce the quarantine. She said she'll defy the state if the policy isn't changed by Thursday. (AP Photo/Robert F. Bukaty)

Nurse defies Ebola quarantine in US

She vowed to Maine’s voluntary quarantine and followed through on her promise Thursday, leaving her home for a bike ride.