The CD4+ T cell numbers were further determined for 155 HIV- positive samples, following which the cases were classified into different clinical stages (Liu et al., 2020): the primary infection stage (15 cases, 9.7%), the middle stage of infection (63 cases, 40.6%), and AIDS stage (77 cases, 49.7%) (Supplementary Table S1). The gene discussed is CD4; the disease is AIDS.