IL17A and infection: Although several studies havesuggested a protective role imparted by IL-17 signaling in host immunity duringinfluenza infection, other studies have suggested a more pathological role instead.For example, it has been observed that depletion of IL-17 resulted in a more severedisease outcome in a mouse model of influenza, which was associated with increasedweight loss as well as reduced survival 135, 136.