Data for the Center for Health Informatics is accessed through sources like:
Crimson Hexagon
The Center for Health Informatics has dedicated access to Crimson Hexagon for health research. Crimson Hexagon is a commercial social media aggregator with a database containing over 1.2 trillion public posts, including 100% of Twitter. For access please contact ianb@illinois.edu
Other excellent sources of downloadable global health information are:
Institute for Health Metrics and Evaluation/University of Washington