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Early Warning and Outbreak Detection Using

Social Networking Websites: the Potential of

TwitterEd de Quincey, Patty Kostkova

City University

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http://www.google.org/flutrends/

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http://search.twitter.com/search?q=flu

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Number of tweets containing the word “flu”

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Most popular words found in all tweets

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Collocation of words, one word to the right and the left of the word “flu”

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From almost 500,000 tweets collected

during May to July 2009

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“I have swine flu”2,888

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“I have the flu”1,530

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976594568350257132117

81out of 1,530

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The majority of usernames (76%) were found at one or more of

the other sites

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Over 1 million tweets collected now since

May 2009

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Geolocation

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