IL17A and psoriasis: The pooled effect showed no significant differences in the rates of SARS-CoV-2 infection (P = 0.94; I2 = 19.5%), COVID-19 hospitalization (P = 0.64; I2 = 0.0%), and COVID-19 mortality (P = 0.32; I2 = 0.0%) in psoriasis patients using IL-17 inhibitors compared with using non-biologics.