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News & Analysis example, initially the app might flag a tweet his students for a pilot study to identify out- lance techniques miss. “It’s a way of reaching by a professor giving a talk about foodborne breaks prospectively based on Yelp re- people who don’t know to call the health de- illness. The algorithms have since been im- views. From July 2012 to March 31, 2013, the partment,” she said, noting that individuals proved to better identify real complaints. software program created for the pilot posting online are likely different from those “We are getting better by the day,” screened 294 000 Yelp reviews (Harrison C who call the department to report illnesses. Choucair said. et al. MMWR Morb Mortal Wkly Rep. 2014; In fact, her colleagues have used Yelp 63[20]:441-445). It cited 893 as requiring messages to contact individuals who posted Bad Reviews evaluationbyhealthdepartmentstaff.About about illnesses that were not recent AnactualoutbreakledtoNewYork’spilotproj- half were found to be consistent with food enoughtobeincludedinthepilottoletthem ecttestingwhetherYelpreviewsmightsignal poisoning and occurred within a month of know they can report their concerns to the threatstofoodsafety.Publichealthofficialsin- the review’s posting or didn’t specify a date department. vestigatinga2011outbreakofgastrointestinal (requiring further investigation). Only about One downside of Yelp outreach is
JAMA – American Medical Association
Published: Jul 9, 2014
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