LCT and infection: Histopathologic studies of conjunctiva following 48 hours of infection with S. pneumoniae (D-39 or ATCC8) or S. aureus LAC showed a large infiltrate of inflammatory cells in animals given the control MAb, whereas there was much less inflammation and edema in the conjunctiva of mice treated with MAb to PNAG (Figs. 7A–F).