Figure 4From: The cell envelope subtilisin-like proteinase is a virulence determinant for Streptococcus suisSurvival of S. suis wild-type strain P1/7 and mutants M3G and G6G in human whole blood. Mixtures were incubated at 37°C for 4 h. A value of 100% was given to the colony forming units at time 0. Results are representative of two assays.Back to article page