IL1B and infection: The BAL IL-1β levels in control (145.6 pg/mL) and asthmatic mice (100.7 pg/mL) after seasonal infection were significantly higher than the A(H1N1)pdm09-infected groups (control/A(H1N1)pdm09: 16.5 pg/mL, asthmatic/A(H1N1)pdm09: 45.0 pg/mL), respectively.