<prompt> Which of the following statements is false regarding botulism?Infant botulism is caused by ingestion of preformed toxinCl. botulinum A, B, E and F cause human diseaseThe gene for botulinum toxin is encoded by a bacteriophageClostridium baratii may cause botulism  <response>: Infant botulism is caused by ingestion of preformed toxin is a false statement. Option 1 Infant botulism- sporulated honey ingestion unlike food poisoning is caused by neurotoxins produced in vivo by C. botulinum that have colonized the gastrointestinal tract of the infants. CF- constipation, lethargy, weakness, weak and altered cry, loss of head control, etc. The condition may progress to flaccid paralysis and respiratory arrest. The infants excrete toxins in their feces. Option 2 All types can cause human disease, but type A, B and E are most common, less commonly type F. Type C D- associated with outbreaks in cattle wild fowl. Option 3 - Toxin production in clostridium botulinum appears to be determined by presence of bacteriophage at least in type C D. Option 4 - Clostridium baratii have also been found to produce toxin- botulism. 