Ergot poisoning is caused by ingestion of the alkaloids produced by the ergot fungi.
Aflatoxin poisoning is a result of ingestion of aflatoxins produced by Aspergillus that have contaminated a food source.
Giardiasis, sometimes referred to as beaver fever, is caused by the protozoan Giardia lamblia and results in diarrheal illness.
Cryptosporidiosis is a type of parasitic disease caused by Cryptosporidium that infects the gastrointestinal system.
Cyclospora diarrheal infection is commonly referred to as traveler's diarrhea and is caused by the parasite Cyclospora cayetanensis.
Amoebic dysentery is caused by the parasite Entamoeba histolytica and infected individuals suffer from severe diarrhea, cramps, and fever.
Legionellosis is most commonly caused by the Gram-negative bacteria Legionella pneumophila which is an aquatic organism.