Author: Scott, Allison Nicole; Buchan, Sarah A; Kwong, Jeffrey C; Drews, Steven J; Simmonds, Kimberley A; Svenson, Lawrence W
Title: Using population-wide administrative and laboratory data to estimate type- and subtype-specific influenza vaccine effectiveness: a surveillance protocol Document date: 2019_9_30
ID: 606hx36y_5
Snippet: Individuals can have multiple laboratory tests over the course of their illness; therefore only the first positive 160 influenza test during the influenza season will be used, and potential control samples will be selected from 161 among those who only tested negative for influenza during that influenza season, using the first negative test......
Document: Individuals can have multiple laboratory tests over the course of their illness; therefore only the first positive 160 influenza test during the influenza season will be used, and potential control samples will be selected from 161 among those who only tested negative for influenza during that influenza season, using the first negative test.
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