Norovirus disease surveillance using Google Internet query share data.
cross_sectional · Level IV
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- Record sourced from PubMed, PMID 22715172.
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Abstract
Google Internet query share (IQS) data for gastroenteritis-related search terms correlated strongly with contemporaneous national (R(2) = 0.70) and regional (R(2) = 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.
Medical subject headings
- Caliciviridae Infections
- Disease Outbreaks
- Gastroenteritis
- Internet
- Norovirus
- Public Health Surveillance