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Syndromic Surveillance for Influenza in Washington State: A Local and Regional Perspective
Content Type: Abstract
We explored the utility of tracking emergency department (ED) visits for febrile illness as a proxy for influenza surveillance, from both a local and a regional perspective.… There was a strong correlation between weekly ED fever visit counts and positive flu isolates, both for the region … lation between positive flu isolates and weekly ED fever visit counts was highest among 18-44 year-olds (r=.87) and … teeism trends correlated strongly with weekly fever visit counts among 5-17 year-olds (r = 0.83). The …