This detailed volume explores the application of multiplex biomarker methods in the critical area of COVID-19 research through state-of-the-art technologies in the fields of genomics, proteomics, transcriptomics, metabolomics, and imaging. The book features a series of protocols from labs across the globe employing multiplex molecular approaches, which can be applied to accelerate progress in the research of SARS-CoV-2 and other infectious illnesses. Written for the highly successful Methods in Molecular Biology series, chapters include introductions to their respective topics, lists of the necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips on troubleshooting and avoiding known pitfalls.