Children wait to be tested for the presence of certain radio-isotopes, including caesium 137, in their bodies as part of ongoing screening of local children at the polyclinic, April 1, 2016, in Ivankiv, Ukraine. Ivankiv district, an area inhabited by approximately 30,000 people, lies just south of the Chernobyl Exclusion Zone. (Photo by Sean Gallup/Getty Images)
|