At 2 days post-fertilization (dpf),Lyz:dsRed or mpx:GFPlarvae were transferred into DMSO ctrl or FK506 (1 μg/ml) containing 0.5 × E2. At 3 dpf, zebrafishlarvae were microinjected with AFeGFPconidia into the hindbrain and mortality, and fungal burden and neutrophil recruitment were assessed.A, B Absolute neutrophil numbers in treated and untreated mpx:GFPlarvae were quantified by direct counting of fluorescent neutrophils in non-infected whole fish (n = 11-13 per group). There were no significant differences. 