Using a CD4 T‐cell hybridoma that recognizes a currently undefined Plasmodium epitope, a Biorxiv‐posted study (Fernandez‐Ruiz et al, 2017) reports that cDC1 are more stimulatory than CD4+ DC and double‐negative DC, both in naïve mice and at 3 days post‐infection. This evidence concerns the gene MPPE1 and infection.