Mucus prevents hand sanitizers from quickly killing the flu
Flu viruses can hold out for minutes against ethanol when encased in wet mucus
![hand sanitizer](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/09/091719_TI_hand-sanitizer_feat.jpg?fit=1028%2C579&ssl=1)
Alcohol-based hand sanitizers used in medical settings might not protect against spreading the flu when mucus is involved.
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