World Health Organization

The World Health Organization made a statement promising the safety and efficacy of the inoculation that would protect children from the 456 phenomena. In truth, the inoculation was a ruse in order to collect the children. (TV: Children of Earth: Day Five)

Behind the scenes
Prior to being announced as playing the Twelfth Doctor, Peter Capaldi appeared in the 2013 film in which he played a doctor from the World Health Organization, credited as "WHO doctor".