Social media helps officials spot public health threats – but only for the rich?
- Written by Elaine Nsoesie, Assistant Professor of Global Health, Institute for Health Metrics and Evaluation, University of Washington

Think of the last time you had food poisoning. Did you tweet about it? Did you Google your symptoms? Or did you write an angry review on Yelp?
Every day, people use the internet to seek and share health information. This opens up exciting new ways for scientists to study the health of a...
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