In addition, a comparison of the immune response of two MERS-infected patients [48], one of whom with a poor outcome (died) that had elevated levels of IL-17 and IL-10 which promote the Th2 immune response, while the other patient who overcame the infection had increased levels of IFN-α, IFN-γ, and IL-12, which promote the Th1 immune response [48]. The gene discussed is IL17A; the disease is infection.