Polio Declared Global Health Emergency

May 5 (Bloomberg) -- The spread of polio to countries previously considered free of the crippling disease is a global health emergency, the World Health Organization said, as the virus once driven to the brink of extinction mounts a comeback. Yang Yang reports on Bloomberg Television's "Bottom Line." (Source: Bloomberg)
Hacker Teen Uses 'Swatting' to Harass Online Gamers
46:54 - Bloomberg's Emily Chang reports on the teenage hacker who admitted to "swatting" online gamers. She speaks on "Bloomberg West." (Source: Bloomberg)
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