IFNA1 and infection: Clinical infections of patients with anti-IFNɣ autoantibodies are usually disseminated diseases caused by opportunistic pathogens, such as non-tuberculous mycobacteria, particularly rapidly growing mycobacteria, Salmonella non-Typhi, Cryptococcus, Histoplasma, Talaromyces, and the Varicella-Zoster virus [16, 17].