RV infection and RV-infected cells survival rates. The ratio of RV-16 positive BEAS-2B cells and primary human bronchial primary epithelial cells infected by 1.0 MOI RV-16 and pretreated with OM-85 (a) or Pulmonarom (b). Improved cell survival in 1.0 MOI RV-16-infected cultures pretreated with OM-85 (c) or Pulmonarom (d) at different dilutions (1 : 1000, 1 : 200. 1 : 100, 1 : 50). ICAM-1 expression and antiviral cytokine production.