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Researchers use Twitter to track flu outbreak

Sharon Gaudin | Jan. 31, 2013
Researchers at Johns Hopkins University are using Twitter to track what has been a particularly severe flu season across the U.S.

The microblogging site has become something of a bellwether in politics and pop culture, and a tool for communicating during emergencies and natural disasters and was at the center of political upheaval during the "Arab Spring" uprising in Egypt in 2011.


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