FILE - In this Friday, Sept. 12, 2014 file photo, Director-General of the World Health Organization (WHO) Dr. Margaret Chan speaks during a news conference at WHO headquarters in Geneva, Switzerland. Ethiopia's former health minister, Tedros Adhanom Ghebreyesus, who replaced Dr. Margaret Chan said in a "Town Hall" speech given to staffers in Geneva and in regional and country offices, he would be examining "the recent uproar over travel costs." (AP Photo/Keystone, Martial Trezzini, File)
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