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Detecting Previously Unseen Outbreaks with Novel Symptom Patterns
Content Type: Abstract
Commonly used syndromic surveillance methods based on the spatial scan statistic first classify disease cases into broad, pre-existing symptom categories ("prodromes") such as respiratory or fever, then detect spatial clusters where the recent… read more… prodrome is unexpectedly high. Novel emerging infections may have very specific and anomalous symptoms which should … cases is small. However, typical spatial scan approaches may fail to detect a novel outbreak if the resulting cases … to any known prodrome. Alternatively, detection may be delayed because cases are lumped into an overly broad …