MYD88 and common cold: Using a very high inoculation dose of 109 CFU, a catarrhal rhinosinusitis pathology could be also induced in the nasal cavity of the immunocompetent parental C57BL/6J mice and its manifestations were similar to that induced in the nasal cavity of the immunocompromised MyD88 KO mice inoculated with a 100-fold lower bacterial dose.