Worldwide Influenza Surveillance through Twitter
Predicting Disease Transmission from Geo-Tagged Micro-Blog Data
The Use of Twitter to Track Levels of Disease Activity and Public                     Concern in the U.S. during the Influenza A H1N1 Pandemic
Fusing Social Media Cues: Personality Prediction from Twitter and Instagram
Early Stage Influenza Detection from Twitter
Analysing Twitter and web queries for flu trend prediction