FASLG and COVID-19: It is possible that the AA genotype of FAS rs1800682 (A/G) and TT for FASL rs763110 (C/T) may contribute to inducing a greater expression of FAS and FASL and, together with IFN-γ, cause a more intense inflammatory process, resulting in a greater number of symptoms in individuals with the non-severe form of COVID-19.