The Big 5

Dylan Elsner 1A

Shigella spp.

Source - Shigella is a genus of Gram-negative, facultative anaerobic, nonspore forming, non-motile, rod-shaped bacteria closely related to Salmonella. The causative agent of human shigellosis, Shigella causes disease in primates, but not in other mammals

Salmonella Typhi

Source - Salmonella enterica subsp. enterica is a subspecies of Salmonella enterica, the rod-shaped, flagellated, aerobic, Gram-negative bacterium. It is a member of the genus Salmonella

Enterohemorrhagic and shiga toxin-producing E. coli

Source - Verotoxin-producing Escherichia coli consists of strains of the bacterium Escherichia coli that, when infecting humans, have been linked with the severe complication hemoltic-uremic syndrome(HUS).

Hepatitis A

Source - Hepatitis A is an acute infectious disease of the liver caused by the hepatitis A virus (HAV), an RNA virus, usually spread by the fecal-oral route; transmitted person-to-person by ingestion of contaminated food or water or through direct contact with an infectious person.


Source - Norovirus is a genus of genetically diverse single-stranded RNA, non-enveloped viruses in the Caliciviridae family. The known viruses in the genus are all considered to be the strains of a single species called Norwalk virus.