Corynebacteria can produce infections in immunocompromised hosts and on prosthetic valves and shuts.
Rarely can cause diptheria.
Listeria monocytogenes a food borne pathogen can cause meningitis and bacteria, especially in immunocompromised individuals.
Bacillus cereus can cause food poisoning.
Bacillus species can cause serious infections among drug abusers.
Includes infections with Clostridium species.