Monocyte recruitment in the draining lymph node requires collective DC activation (A) Representative dot plots showing the percentage of monocytes (CD11b+ Ly6Chigh cells, black box) present in popliteal dLN of WT:Irf3‑/‑Irf7‑/‑ chimeric mice injected with poly(I:C) (middle and right) or with PBS (left). CD11b+ Ly6Clow/int cells corresponded to neutrophils and were not included in the analysis. 