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Episode 32. Topic: Washing your hands. Theme: Hygiene. We've all been told to wash our hands for 20 seconds (especially given the pandemic). But why 20 seconds and what does hand washing actually do to viruses and bacteria?
By 3MLEpisode 32. Topic: Washing your hands. Theme: Hygiene. We've all been told to wash our hands for 20 seconds (especially given the pandemic). But why 20 seconds and what does hand washing actually do to viruses and bacteria?