The following statements are true regarding botulism except

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 paniker's; 10th edition; Page no: 269