A botulism that involves intoxication caused by botulinum neurotoxins (BoNTA, B, E and F) in adults, has_material_basis_in Clostridium botulinum A, has_material_basis_in Clostridium botulinum B, has_material_basis_in Clostridium botulinum E and has_material_basis_in Clostridium botulinum F, which are transmitted by ingestion of bacterial spores, which then grow in the intestine and release toxins.