IFNA2 and Middle East respiratory syndrome: In this study, we evaluated the presence of type I IFN auto‐Abs, including IFN‐α2, β, and/or IFN‐ω in hospitalized patients with MERS; examined their association with mortality and other clinical outcomes; and evaluated whether the presence of type I IFN auto‐Abs affected the response to treatment with IFN beta‐1b and lopinavir‐ritonavir.