Our analysis of the entire cohort suggests that IFN-α2, IP-10, IL-1RA, IL-6, eotaxin, IgA, and IgM are prognostic markers that can be monitored in mucosal fluids and blood at the time of diagnosis or shortly after to forecast disease progression and aid in treatment plans following infection with a novel respiratory virus. This evidence concerns the gene IFNA2 and infection.