Arthritis development in C57BL/6 mice infected with S
. Animals were infected with ATCC 19095 SEC+, N315 ST5 TSST-1+, S-70 TSST-1+ or ATCC 51650 TSST-1+. (a) Arthritis incidence and (b) clinical score were daily evaluated. Data is presented by mean ± SE of 5-9 mice. * represents the difference with the group infected with the non arthritogenic ATCC 51560 TSST-1+ strain. p < 0.05.