CP and infection: Calprotectin (Cp),another marker of myeloid cell activation, was elevated only in EAEC042mono-infected animals, but was decreased in any Giardiainfected group (Fig 3F).Lipocalin-2 (LCN), a marker of either neutrophil or epithelial cell activationwas elevated only in Giardia-infected mice regardless of EAECco-infection.