Canadian Food Handler Certificate · Question
How long can symptoms of foodborne illness take to appear?
Onset varies by pathogen — from minutes (toxins) to weeks (Listeria, Hepatitis A).
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Question: How long can symptoms of foodborne illness take to appear?
Answer options:
- Only within 30 minutes ✅ From 30 minutes up to several weeks
- Always exactly 24 hours
- Never more than 6 hours
Correct answer: From 30 minutes up to several weeks
Explanation: Onset varies by pathogen — from minutes (toxins) to weeks (Listeria, Hepatitis A).
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