Distribution of virulence genes among Staphylococcus aureus from meat and meat product samples. (A) Heat map style, in which the percentages of virulence genes are color-coded on the right of the figure. (B) Columns style utilizing GraphPad prism, which displayed the percentages of S. aureus virulence-related genes from each sample type. icaA: intercellular adhesion A gene, pvl: Panton-Valentine leukocidin gene, sea: staphylococcal enterotoxin a gene, and eta: exfoliative toxin a gene.