FILE – In this Oct. 26, 2009 file photo, security workers guard at construction site of the U.S. Consulate compound in Guangzhou in southern China's Guangdong province. The State Department said an email notice Wednesday, May 23, 2018, that a U.S. government employee in southern China reported abnormal sensations of sound and pressure, recalling similar experiences among American diplomats in Cuba who later fell ill. (Chinatopix via AP, File)
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