Since Src is important in signaling, its membrane-bound form, when activated by ATPA1 (which encodes Na+, K+-ATPase), has been shown to inhibit both coronavirus and respiratory syncytial viral entry, leading to the consideration of using specific inhibitors, such as ouabain and digoxin, which have relatively better toxicity safety profiles, to attenuate COVID-19 [52]. The gene discussed is SRC; the disease is COVID-19.