Sunday 17th August 2025
    Difficulty: Medium

    Your home is filthy (Quiz #1,003)

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    Photo by Lotus Design N Print (Unsplash)

    Questions inspired by the article "Is your home a health hazard?", The Guardian, 17th July 2025. Link at end of quiz.

    1. How often should you change your toothbrush?

    2. What item in your kitchen can contain a similar concentration of microbes to that found in a human stool sample?

    3. Which of these was found to carry the highest amount of Enterobacter bacteria?

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