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reading explorer 5a disease detective

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  • Why was this type of E. coli dangerous?
    Its DNA showed it could cause serious illness.
  • What was Dr. Richard Besser called in to do?
    To help six very sick children by finding the cause of their illness.
  • What did Dr. Besser see around the apple trees?
    Animals were present near the apple trees.
  • What was Dr. Besser an expert on?
    Strange illnesses.
  • What did Dr. Besser use to examine the bacteria closely?
    He looked at the bacteria’s DNA.
  • What critical steps were not done to the apples before juicing?
    The apples were not washed and the juice was not heated.
  • How can E. coli move from animals to humans?
    By direct contact or through contaminated food.
  • How has Dr. Besser’s work helped others?
    His findings help prevent similar illnesses today.
  • What foods had the healthy children eaten?
    Cheese and fish but not the apple juice.
  • Why is heating important in the juice-making process?
    It kills harmful bacteria.
  • What happened to the children after Dr. Besser identified the source of the illness?
    They got better.
  • What type of bacteria did Dr. Besser find in all the children?
    E. coli.
  • What did Dr. Besser conclude was the cause of the illness?
    The unwashed unheated apple juice.
  • What was wrong with some of the apples used for the juice?
    They were dirty and had fallen on the ground.
  • What foods had all the sick children eaten?
    Cheese, apple juice, and fish
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