IL18 and acute respiratory distress syndrome: During the first 7 d.a.o, expression of all 33 cytokines/chemokines was increased in HAdV-infected patients with ARDS, whereas expression of only IFN-γ, IL-12, IL-18, fibroblast growth factor (FGF) basic, G-CSF, IP-10 and CTACK was increased in patients not suffering from ARDS.