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Google Fights Flu with Search Data

Google Combats Flu with Search Data
Leave it to Google to come up with a way to help combat the spread of disease with nothing more than some search terms and an armada of computers. The folks at the Google Predict and Prevent team discovered, using data from the Centers for Disease Control and Prevention (CDC), that there was a direct correlation between searches for flu related terms and symptoms.

The CDC already collects data on outbreaks of influenza, but the information is always a week or two behind current conditions. The crew in Mountain View (Google Headquarters) found that they are able to make accurate estimations of the number of flu cases based on user queries (for example, searches for "the flu") -- this could act as an early warning system for epidemics or, more frighteningly, pandemics.

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