A view from the starting line of the sixth annual Krispy Kreme Challenge in Raleigh, N.C., in 2010. The local children's health clinic takes its name from this annual charity race, which draws about 8,000 participants each year. Courtesy of Dustin Bates hide caption

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This year's flu vaccine protects against a few different virus strains, including the H1N1 seen here. The fuzzy outer layer is made of proteins that allow the virus to attach to human cells. NIAID/Flickr hide caption

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In this November 2015 photo, A 17-year-old mother sits with her baby in the Inhassune village, in southern Mozambique. In Mozambique there are no laws preventing child marriages and existing child protection laws offer loopholes. If a community decides that a girl is to be married in a traditional ceremony, with or without her consent, lawmakers are powerless to intervene. Shiraaz Mohamed/AP hide caption

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Rick and Letha Heitman, of Centennial, Colo., bought their health plan in 2015 through Colorado HealthOP, an insurance cooperative that will close at the end of the year. HealthOp's CEO says the co-op was "blindsided" when some promised federal subsidies failed to materialize. John Daley/CPR News hide caption

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The Alto Yellowjackets take the field on Nov. 13, a month after Matthews died. Lauren Silverman/NPR hide caption

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Chris Nickels for NPR

Some health workers in Liberia had stopped using the protective gear that was part of the Ebola routine. The photo above is from 2014, when the epidemic was at its peak. David P. Gilkey/NPR hide caption

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