Eric Goosby, United States Global AIDS coordinator, says field testing is necessary and urgent to determine if HIV testing-and-treating services are feasible. Brendan Hoffman/Getty Images hide caption

itoggle caption Brendan Hoffman/Getty Images

Laurel Fontaine, 16, (left) and her twin sister Heather. When Laurel was 11 years old, she suffered a stroke that destroyed 80 percent of the left side of her brain. The singing therapy helped her regain the ability to speak. Ellen Webber for NPR hide caption

itoggle caption Ellen Webber for NPR

Watson Pharmaceuticals, a maker of generic drugs, is rolling out generic Lipitor, or atorvastatin, under a deal with Pfizer. Bill Gallery/AP hide caption

itoggle caption Bill Gallery/AP

Unlike the medical examiner's office in New Mexico, which routinely autopsies sudden or violent deaths, most U.S. hospitals perform postmortem examinations only rarely. John W. Poole/NPR hide caption

itoggle caption John W. Poole/NPR

A chimpanzee eats a coconut at the Alamogordo Primate Facility at Holloman Air Force Base, N.M., in an undated photo from the National Institutes of Health. A plan to move chimps that had retired to the facility after being subjects of medical experiments sparked controversy and a review of research policies. AP hide caption

itoggle caption AP