Please choose the correct ending to complete the given sentence: Health: [header] How to recognize infant botulism [title] Take note of unexplained constipation. [step] This is first sign of your baby being infected with botulism. [substeps] If your infant has gone more than 3 days without defecating, it indicates your baby is constipated.

Ending1: Infants with botulism have clear stool, abdominal cramping, abdominal pain, frequent hiccups, silent vomiting, and episodes of choking. [title] Pay attention to unexplained fatigue and weakness. Ending2: This usually occurs during the feeding of babies. Botulism damages the intestines and makes it difficult for the baby to process liquids. Ending3: [title] Check your infant's diapers for wetness. [step] You should be extremely careful when you touch your infant. Ending4: Although constipation can be sign of botulism infection, it can also be due to inadequate feeding. It usually takes 18 to 36 hours for the symptoms to take effect after infection.

Answer format: ending1/ending2/ending3/ending4