IL6 and coinfection: On mRNA level, compared to HRV infection alone (96 ± 127 fold change), co-infection with the non-mucoid PA isolate significantly increased IL-6 mRNA (4742 ± 8020 fold change, p = 0.04), whereas co-infection with the mucoid isolate did not (79 ± 108, p = 0.999, Figure 1E).