Three recombinant humanized anti-MV-A iNOS mAbs—rHA mAb, rHD mAb, and rHJ mAb—were found to rescue mice from a lethal challenge in three different mouse models of sepsis: an LPS model, a TNFα model, and our in-house MV-A iNOS model of sepsis [33]. This evidence concerns the gene NOS2 and Sepsis.