Organism: Incubation period
Staphylococcus aureus: Less than 8 hours
Bacillus cerus: 2-16 hours
Clostridium perfringens: 8-22 hours
Vibrio cholerae: 6-72 hours
Salmonella species: 12-48 hours
Yersinia enterocolitica: 16-48 hours
Clostridium botulinum: 18-36 hours
Shigella spp: 24-72 hours
Enterotoxigenic Escherichia Coli: 24-72 hours