Significant differences were only found between washed and unwashed samples at 4 h post-infection (p.i.)(U = 0.0, n1 = n2 = 4, P = 0.0286 (Hoxb8 neutrophils), P = 0.0294 (HL60 cells), Fig. 1b). The gene discussed is HOXB8; the disease is infection.