Research debunks five-second rule, bacteria transfer occurs instantly upon contact
Research has debunked the 'five-second rule' regarding dropped food, revealing bacteria can transfer almost immediately. John Tregoning, a professor at Imperial College London, states that contamination occurs on contact with surfaces like tile or steel, lasting up to 24 hours. Rinsing is insufficient, especially for those vulnerable to infections.
Summary by OZbrief Editorial · The Guardian Australia · Source
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Published 15 Jun 2026, 07:00 UTC · Updated 15 Jun 2026, 07:30 UTC
Summary by OZbrief Editorial. Original report: The Guardian Australia. Editorial policy · Corrections
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