CSF2 and influenza: The cDC perturbators inducing a majority of PD-L1high ICOSLlow cDC were R848, Zymosan, heat-killed Staphylococcus aureus (HKSA), and heat-killed Listeria monocytogenes (HKLM), while the ones inducing a majority of PD-L1low ICOSLhigh cDC were Thymic stromal lymphopoietin (TSLP), GM-CSF, and influenza (Flu) (Fig. 2C, Supplementary Table 3).