CXCL8 and viral infectious disease: Comparison of the impact of viral infection on blood and BAL dendritic cell subsets demonstrated that HTLV-1A/CoI-L infection resulted in higher levels of myeloid dendritic cells (mDCs) and plasmacytoid dendritic cells (pDCs) producing IL-8 or TNF-α in blood compared to HTLV-1A (Fig. 3a, left and Supplementary Figs. 6a and 7a left, lower panels).