• China's Margaret Chan, Director General of the World Health Organization, WHO, addresses her statement, during the 69th World Health Assembly at the European headquarters of the United Nations in Geneva, Switzerland, Monday, May 23, 2016. (Salvatore Di Nolfi/Keystone via AP)

    UN health agency gets OK for revamp of emergency response

    GENEVA (AP) — Stung by failures in its response to Ebola, the World Health Organization is revamping how it responds to emergencies to become nimbler, more reactive and more operational in “one of the most profound transformations” ever at the U.N. health agency.

  • In this Monday, June 30, 2008 file photo, urine samples from Chinese athletes are recorded upon arriving at China Anti-Doping Agency in Beijing. So far, 31 unidentified athletes in six sports from 12 countries have been caught in retests of samples from the 2008 Beijing Games. Results on tests of 250 samples from the 2012 London Olympics will be known soon.  (AP Photo/Robert F. Bukaty, File)

    How it works: a look at the retests of Olympic drug samples

    GENEVA (AP) — Inside a non-descript concrete building in a Swiss parking lot lies evidence that could take down dozens of Olympic athletes.