TLR3 agonist (Poly(I:C) HMW, vac-pic) was purchased from InvivoGen (San Diego, CA). TLR9 agonist (ODN 1826) was obtained from Integrated DNA Technologies (San Diego, CA). Both agonists were dissolved in endotoxin-free physiological water from InvivoGen (San Diego, CA). Doses chosen for administration to animals were as previously reported.12 (link)