<prompt> The following statements are true regarding botulism exceptInfant botulism is caused by ingestion of preformed toxinClostridium botulinum A, B, C and F cause human diseaseThe gene for botulinum toxin is encoded by a bacteriophageClostridium baratti may cause botulism  <response>: Infant botulism is caused by ingestion of spores of Clostridium botulinum in food which gets deposited in the gut and later produces toxin. Cases occur in infants below 6 months. Older children are not susceptible. The manifestations are constipation, poor feeding, lethargy, weakness, pooled oral secretions, weak or altered cry, floppiness and loss of head control. Reference: Textbook of Microbiology; Anathanarayan and panikers; 10th edition; Page no: 269 