A probability model for evaluating the bias and precision of influenza vaccine effectiveness estimates from case-control studies.

Abstract

As influenza vaccination is now widely recommended, randomized clinical trials are no longer ethical in many populations. Therefore, observational studies on patients seeking medical care for acute respiratory illnesses (ARIs) are a popular option for estimating influenza vaccine effectiveness (VE). We developed a probability model for evaluating and… (More)
DOI: 10.1017/S0950268814002179

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