Tuberculosis surveillance by analyzing google trends

Xichuan Zhou, Jieping Ye, Yujie Feng

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Tuberculosis (TB) is a major global health concern, causing nearly ten million new cases and over one million deaths every year. The early detection of possible epidemic is the first and important defense line against TB. However, traditional surveillance approaches, e.g., U.S. Centers for Disease Control and Prevention (CDC), publish the TB morbidity surveillance results on a quarterly basis, with months of reporting lag. Moreover, in some developing countries, where most infections occur, there may not be enough medical resources to build traditional surveillance systems. To improve early detection of TB outbreaks, we developed a syndromic approach to estimate the actual number of TB cases using Google search volume. Specifically, the search volume of 19 TB-related terms, obtained from January 2004 to April 2009, were examined for surveillance purpose. Contemporary TB surveillance data were extracted from the CDCs reports to build and evaluate the syndromic system. We estimate the actual TB occurrences using a nonstationary dynamic system. Respective models are built to monitor both national-level and state-level TB activities. The surveillance results of the syndromic system can be updated every day, which is 12 weeks ahead of CDCs reports.

Original languageEnglish (US)
Article number5739104
Pages (from-to)2247-2254
Number of pages8
JournalIEEE Transactions on Biomedical Engineering
Volume58
Issue number8
DOIs
StatePublished - Aug 2011

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Disease control
Developing countries
Dynamical systems
Tuberculosis
Health
Centers for Disease Control and Prevention (U.S.)
Developing Countries
Disease Outbreaks
Morbidity

Keywords

  • Dynamic model
  • google trends
  • search volume
  • tuberculosis (TB) surveillance

ASJC Scopus subject areas

  • Biomedical Engineering
  • Medicine(all)

Cite this

Tuberculosis surveillance by analyzing google trends. / Zhou, Xichuan; Ye, Jieping; Feng, Yujie.

In: IEEE Transactions on Biomedical Engineering, Vol. 58, No. 8, 5739104, 08.2011, p. 2247-2254.

Research output: Contribution to journalArticle

Zhou, Xichuan ; Ye, Jieping ; Feng, Yujie. / Tuberculosis surveillance by analyzing google trends. In: IEEE Transactions on Biomedical Engineering. 2011 ; Vol. 58, No. 8. pp. 2247-2254.
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