Vikram is the first child to wear a Khushi Baby necklace, which will keep track of his immunizations. He's at a vaccine clinic in Rajasthan, India. Ruchit Nagar/Courtesy of Khushi Baby hide caption

itoggle caption Ruchit Nagar/Courtesy of Khushi Baby

Life online is all about sharing images. Being able to share medical images would make health care a lot easier, patients say. Science Photo Library/Corbis hide caption

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Ruth Coker Burks with her friend Paul Wineland. Wineland's partner was one of many AIDS patients Coker Burks has cared for over the past three decades. StoryCorps hide caption

itoggle caption StoryCorps

A worker puts the finishing touches on the dividers that will separate patients at the community care center in the Port Loko district of Sierra Leone. David Gilkey/NPR hide caption

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Mattheos Koffas (left), a biochemical engineer at Rensselaer Polytechnic Institute, and Andrew Jones, a graduate student in his lab, with a flask of microbe-produced antioxidants. Dan Charles/NPR hide caption

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Vani Hari, known as the "Food Babe," speaks at the Green Festival in Los Angeles on Sept. 12. Hari has made a name for herself by investigating ingredients in Big Food products that she deems potentially harmful. But critics accuse her of stoking unfounded fears. Jonathan Alcorn/Bloomberg via Getty Images hide caption

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Relatives of deceased organ donors mourn for them at a ceremony unveiling a monument for the organ donors in April in Chongqing, China. Feature China/ Barcroft Media/Barcroft Media/Landov hide caption

itoggle caption Feature China/ Barcroft Media/Barcroft Media/Landov

Makutu Jabateh hugs her daughter, Mabana Konneh, 5, as the little girl returns home to her neighborhood in Jacobstown, Monrovia. John W. Poole/NPR hide caption

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Andres Cuartas got help from an agent last March when he signed up for health insurance at a Miami mall. In the last year, the percentage of women who are uninsured has dropped more than the percentage of uninsured men. Joe Raedle/Getty Images hide caption

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An X-ray of the chest of a man with tuberculosis. The areas infected with TB bacteria are colored red. Science Photo Library/Corbis hide caption

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