Overall gastric inflammation in experimentally infected mice and gerbils.

api: post infection.bDisplayed are the numbers of animals out of six animals in each infected group with a specific overall inflammation score.c0, no infiltration with mononuclear and/or polymorphonuclear cells; 1, mild diffuse infiltration with mononuclear and/or polymorphonuclear cells or the presence of one small (50–200 cells) aggregate of inflammatory cells; 2, moderate diffuse infiltration with mononuclear and/or polymorphonuclear cells and/or the presence of 2–4 inflammatory aggregates; 3, marked diffuse infiltration with mononuclear and/or polymorphonuclear cells and/or the presence of at least five inflammatory aggregates; 4, diffuse infiltration of large regions with large aggregates of mononuclear and/or polymorphonuclear cells.