The cells were then challenged with SeV.
BALB/c mice were immunized with stimulated bmDCs and then challenged with JEV wild-type strain.
Rats were then challenged with either saline or MDMA (20 mg kg− 1, sc).
Vaccinated and control animals were then challenged with the heterologous pathogenic SHIV, 89.6P.
To address this issue, groups of mice were immunized with RTB and then challenged with 5×LD50s of ricin administered intraperitoneally.
The four combinations of fluid and epithelium were then challenged with an intra-ruminal infusion of glucose to simulate conditions conducive to the development of acidosis.
These monkeys were then challenged with the heterologous, yet closely related simian malaria parasite P. cynomolgi.
The cultures were then challenged with H2O2 (160 or 320 µM) for 24 h.
C57Bl6 wild type (WT) and C57Bl6 FcγRIIb knock-out (KO) mice were sensitized and then challenged with RWE.
The treated or naïve mice were then challenged with B. bronchiseptica and dissected Day 3 post-inoculation.
The animals were then challenged with OG1SSp (pINY1801, AS+) to assess immunization against AS to protect rabbits from infective endocarditis.
