Multiple cell types are increased in the pleural cavity just prior to patency during L. sigmodontis infection. The absolute number of pooled cells from the pleural cavity of macrophages (F4/80+ and CD11b+), dendritic cells (CD11c+), mast cells (IgE+ and cKit+), eosinophils (SiglecF+ and CD45+), neutrophils (Gr1+), B cells (CD19+), and T cells (CD4+ or CD8+) at day 36 of L. simodontis-infected (gray bars) and -uninfected mice (black bars). Day 42 data was similar (data not shown).