Fig. 6From: Association of HLA genotypes, AB0 blood type and chemokine receptor 5 mutant CD195 with the clinical course of COVID-19Effect of concomitant infection on the association of AB0 blood group heterozygosity with prolonged disease duration. A shows the disease duration in 43 individuals in whom infection event affected less than 3 individuals. B shows disease duration in 68 individuals in whom the infection event affected at least 3 individualsBack to article page