Twitter Used To Map Vaccinations Across The US
A biology professor is using Twitter to track how receptive the public is to vaccines like the H1N1, observing how many people perceived the vaccine positively, negatively, and neutrally around the United States.
Marcel Salathe examined 477,768 tweets from August 2009 to January 2010 which contained vaccine-related keywords. He then narrowed this down to only those tweets pertaining to the H1N1 vaccine in particular.
Salathe chose Twitter – as opposed to Facebook or another social network – because of two reasons: it is public, and it expresses sentiment.
Sentiment
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