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Using Twitter to estimate H1N1 influenza activity
Content Type: Abstract
Twitter is a free social networking and micro-blogging service that enables its millions of users to send and read each other’s ‘tweets’, or short messages limited to 140 characters. The service has more than 190 million registered users and… read more… networking systems. Methods We collected and stored all public tweets beginning October 1, 2009 that matched a … (min!0.01%, max!1.25%), and a standard deviation of 0.26%. Similar results were obtained when estimating ILI at a …