Research – Identifying foodborne outbreaks using social media

BarfBlog

As a new survey shows 95% of chefs cite customers getting sick as their top concern, a computer system developed by Columbia University with Health Department epidemiologists can detect foodborne illness and outbreaks in New York City restaurants based on keywords in Yelp reviews.

Using Yelp, 311, and reports from health care providers, the Health Department has identified and investigated approximately 28,000 complaints of suspected foodborne illness overall since 2012 and helped Health Department staff identify approximately 1,500 complaints of foodborne illness in NYC each year, for a total of 8,523 since July 2012.

Improvements to the computer system are the subject of a joint study published this week by the Journal of the American Medical Informatics Association. The Health Department and Columbia continue to expand the system to include other social media sources, such as Twitter, which was added to the system in November 2016. The computer system allows the Health Department to investigate incidents and outbreaks that might otherwise go undetected. New Yorkers are encouraged to call 311 to report any suspected foodborne illness.

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