Histological examination of hearts, right knee and tibiotarsal joints of C3H mice infected with N40 D10/E9 or N40 <i>bbe02::Bbluc-aadA</i>.

For each mouse infected with specified inoculation dose, heart or knee inflammation was recorded as either “-”(no inflammation) or “+” (inflammation). Inflammation of tibiotarsal joint was scored from “-” (no inflammation), “+” (mild inflammation), “++” (moderate inflammation) to “+++” (severe inflammation). Histological examination of hearts, right knee and tibiotarsal joints of C3H mice infected with N40 D10/E9 or N40 bbe02::Bbluc-aadA.