For instance, sirolimus and related compounds inhibit the TORC1 complex in the nutrient‐sensing network (Castillo‐Quan et al., 2019) and can both extend healthy lifespan in model organisms (Correia‐Melo et al., 2019) and boost the response to vaccination against influenza in elderly people (Mannick et al.,). Here, CRTC1 is linked to influenza.