Norovirus disease surveillance using google internet query share data

Rishi Desai*, Aron J. Hall, Benjamin A. Lopman, Yair Shimshoni, Marcus Rennick, Niv Efron, Yossi Matias, Manish M. Patel, Umesh D. Parashar

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

38 Scopus citations


Google Internet query share (IQS) data for gastroenteritis-related search terms correlated strongly with contemporaneous national (R2 = 0.70) and regional (R2 = 0.74) norovirus surveillance data in the United States. IQS data may facilitate rapid identification of norovirus season onset, elevated peak activity, and potential emergence of novel strains.

Original languageEnglish
Pages (from-to)e75-e78
JournalClinical Infectious Diseases
Issue number8
StatePublished - 15 Oct 2012
Externally publishedYes


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