A close-up of the administration building at National Institutes of Health. (NIH photo)
(NIH photo)
(NIH photo)
(NIH photo)
Headquarters of the U.S. Department of Health and Human Services in Washington, DC., Nov. 4, 2011. (CNS photo/Nancy Wiechec) (Nov. 4, 2011)
(NIH photo)
(Getty Images)