IL10 and COVID-19: The COVID-19 mortality rate was associated with IL10 rs1800896 GG genotype in the Delta (OR 1.52, 95% CI 1.14–2.03) and Omicron BA.4 (OR 6.71, 95% CI 3.59–12.55) variants and AG in the Delta (OR 2.99, 95% CI 1.98–4.52) and Omicron BA.4 (OR 7.01, 95% CI 5.05–9.71) variants; however, there was no association between rs1800896 polymorphism with the Alpha variant (Table 3).