In the documentary Remote Area Medical, a boy chooses a new pair of glasses after receiving an eye exam. Remote Area Medical/Courtesy of Cinedigm hide caption

itoggle caption Remote Area Medical/Courtesy of Cinedigm

At least 5,000 Russians marched on a frosty Sunday afternoon in Moscow to protest plans to lay off thousands of doctors and close hospitals against the backdrop of a flagging economy. Alexander Zemlianichenko/AP hide caption

itoggle caption Alexander Zemlianichenko/AP

Medical residents including Dr. Amy Ho (bottom right) helped with first aid at the Pitchfork Music Festival in Chicago. Courtesy Amy Ho hide caption

itoggle caption Courtesy Amy Ho

Norma Melendez, a community health worker with City Health Works, walks along Second Avenue on her way to meet a client. City Health Works is an organization that is attempting to bring an African model of health care delivery to the United States. Bryan Thomas for NPR hide caption

itoggle caption Bryan Thomas for NPR

The second open enrollment period for buying health insurance under the federal Affordable Care Act starts Saturday. Don Ryan/AP hide caption

itoggle caption Don Ryan/AP

A nurse at the University of California Medical Center in San Francisco protests lack of Ebola preparedness in October. The issue will be the focus of national demonstrations Wednesday. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Dr. Patrick Kamara adjusts his googles on the final day of training and the first "dress rehearsal" before being sent out to Ebola treatment units. The World Health Organization is ramping up to train up to 500 new health workers a week as part of the effort to stem the spread of Ebola. John W. Poole/NPR hide caption

itoggle caption John W. Poole/NPR

Eric Bleeker and a partner respond to 911 calls in this vehicle. The medical team can run simple lab tests and prescribe some drugs, which may spare a patient a trip to the ER. Eric Whitney hide caption

itoggle caption Eric Whitney

Third-year medical student Allie Tetreault, left, talks with Gabrielle Nuki, 16, at Maine Medical Center in Portland, Maine. Gabrielle helps med students practice patient care. Patti Wight/MPBN hide caption

itoggle caption Patti Wight/MPBN