Development of a global infectious disease activity database using natural language processing, machine learning, and human expertise.

Journal of the American Medical Informatics Association : JAMIA
Joshua FeldmanKamran Khan

Abstract

We assessed whether machine learning can be utilized to allow efficient extraction of infectious disease activity information from online media reports. We curated a data set of labeled media reports (n = 8322) indicating which articles contain updates about disease activity. We trained a classifier on this data set. To validate our system, we used a held out test set and compared our articles to the World Health Organization Disease Outbreak News reports. Our classifier achieved a recall and precision of 88.8% and 86.1%, respectively. The overall surveillance system detected 94% of the outbreaks identified by the WHO covered by online media (89%) and did so 43.4 (IQR: 9.5-61) days earlier on average. We constructed a global real-time disease activity database surveilling 114 illnesses and syndromes. We must further assess our system for bias, representativeness, granularity, and accuracy. Machine learning, natural language processing, and human expertise can be used to efficiently identify disease activity from digital media reports.

References

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Mar 21, 2018·Vaccine· World Health Organization

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Citations

Aug 22, 2020·Yearbook of Medical Informatics·Sébastien CossinUNKNOWN Section Editors for the IMIA Yearbook Section on Public Health and Epidemiology Informatics
Dec 23, 2020·International Journal of Environmental Research and Public Health·Mira KimSukil Kim

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