OPN1SW and infection: Genotype C infection, compared to genotype B infection, had similar PC mutant percentage (13.3 ± 18.2 vs 14.9 ± 18.3, P = 0.8154) and higher BCP mutant percentages, but without statistical significance (58.1 ± 42.5/60.8 ± 43.6 vs 38.2 ± 44.2/37.8 ± 44.0, P > 0.05) (Table 3).