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.

Patient Nina Pham speaks outside of National Institutes of Health (NIH) in Bethesda, Md., Friday, Oct. 24, 2014. Pham, the first nurse diagnosed with Ebola after treating an infected man at a Dallas hospital is free of the virus. The 26-year-old Pham arrived last week at the NIH Clinical Center. She had been flown there from Texas Health Presbyterian Hospital Dallas. (AP Photo/Pablo Martinez Monsivais)

Federal officials: Dallas nurse free of Ebola

Nurse Nina Pham said she felt “fortunate and blessed to be standing here today,” as she left the National Institutes of Health’s hospital outside Washington.

President Barack Obama, back left, with Ebola coordinator Ron Klain and members of his team coordinating the government’s Ebola response, speak to the media after their meeting in the Oval Office of the White House, Wednesday, Oct. 22, 2014, in Washington. At front left is Sylvia Burwell, Secretary of Health and Human Services, and Ambassador Nancy Powell, Special Coordinator for Ebola Response Unit. (AP Photo/Jacquelyn Martin)

CDC details new Ebola response and prep teams

Ebola response squads — likened to public health SWAT teams — are being readied to rush to any U.S. city where a new Ebola case might be identified, officials say.