In a cohort of hospitalized Polish patients (vaccinated and unvaccinated), the GSTP1 Ile/Val genotype was associated with a ∼2.75-fold increased odds of severe COVID-19 among previously vaccinated individuals (p = 0.0398), though no significant link was observed in the unvaccinated group (Orlewska et al., 2023). This evidence concerns the gene GSTP1 and COVID-19.