The goal of this observational study is to evaluate the diagnostic performance of an investigational Flu A/B, COVID-19 and RSV test in patients with signs and symptoms of respiratory infection. The main questions it aims to answer are: 1. What is the sensitivity and specificity of the investigational test compared with an FDA-cleared reference method for detection of Influenza A, Influenza B, , SARS-CoV-2 and respiratory syncytial virus antigen. 2. What is the overall positive and negative percent agreement between the investigational test and the reference method? Participants will: 1. Provide a respiratory specimen (e.g., nasal or nasopharyngeal swab) for testing with the investigational device. 2. Provide an additional specimen for testing with the FDA-cleared reference method.
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Sensitivity and Specificity of the Investigational Test for Detection of Influenza A, Influenza B, SARS-CoV-2 and Respiratory Syncytial Virus Compared to an FDA-Cleared Reference Method
Timeframe: Within approximately 5 days of specimen collection (time needed for both investigational and comparator test results)