Ebola patient Amber Vinson arrived by ambulance at Emory University Hospital on Oct. 15. Now healthy, Vinson was discharged from the hospital Tuesday. Kevin C. Cox/Getty Images hide caption

itoggle caption Kevin C. Cox/Getty Images

Home health care workers Jasmine Almodovar (far right) and Artheta Peters (center) take part in a Cleveland rally for higher pay on Sept. 4. Sarah Jane Tribble/WCPN, Ideastream hide caption

itoggle caption Sarah Jane Tribble/WCPN, Ideastream

Dr. Angela Alday talks with Isidro Hernandes, via a Spanish-speaking interpreter, Armando Jimenez. Both patient and doctor say they much prefer an in-person interpreter to one on the phone. Jeff Schilling/Courtesy of Tuality Healthcare hide caption

itoggle caption Jeff Schilling/Courtesy of Tuality Healthcare

Patients with certain kinds of brain damage can wind up with locked-in syndrome: they may be able to think just fine, but are unable to communicate their thoughts to others. A recently published case study shows that a non-invasive brain-computer interface can help. iStockphoto hide caption

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A nurse has been quarantined at University Hospital in Newark for the possibility of Ebola has tested negative in a preliminary test, authorities said early this morning. Patti Sapone/NJ Advance Media /Landov hide caption

itoggle caption Patti Sapone/NJ Advance Media /Landov

An official at the University of Michigan Health System in Ann Arbor says its mix of patients helps explain the infection rates. Scott C. Soderberg/Courtesy of University of Michigan Health System hide caption

itoggle caption Scott C. Soderberg/Courtesy of University of Michigan Health System

Thomas Eric Duncan, the first Ebola patient diagnosed in the U.S., at a wedding in Ghana. Texas Health Presbyterian Hospital Dallas, where Duncan was being treated for the disease, on Wednesday, Oct. 8, 2014 said Duncan has died. Wilmot Chayee/AP hide caption

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Members of the California Nurses Association rallied in Sacramento, Calif., in May, in anticipation of contract negotiations with Kaiser Permanente that began in this fall. April Dembosky / KQED hide caption

itoggle caption April Dembosky / KQED

One rationale for extending Medicaid coverage to more people is to help them get to a doctor or clinic before a minor illness becomes a medical emergency. iStockphoto hide caption

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An ambulance carrying Amber Vinson, the second health care worker to be diagnosed with Ebola in Texas, arrives at Emory University Hospital in Atlanta on Wednesday. David Tulis/AP hide caption

itoggle caption David Tulis/AP