IFN-γ has previously been reported to protect against bacterial and viral infections (Ma et al., 2011; Thiemann et al., 2017), regulate cathelicidin expression (Shtrichman and Samuel, 2001; Fabri et al., 2011), and directly stimulate AMP and mucus release (Farin et al., 2014). The gene discussed is IFNG; the disease is viral infectious disease.