Handwashing beats sanitiser for killing flu virus on hands

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Health workers who use hand sanitiser between patients may be more likely to spread flu germs than those who take the time to wash their hands, a ...

Health workers who use hand sanitiser between patients may be more likely to spread flu germs than those who take the time to wash their hands, a recent experiment suggests.

Researchers did a series of lab tests and computer simulations to examine how much active influenza A virus remained after exposure both to an ethanol-based disinfectant sanitiser and handwashing with an antiseptic cleanser. Influenza A is the most common form of seasonal flu. The key to effectiveness was reaching an alcohol concentration of just over 30 per cent, which happened more slowly in the gel-like consistency of fresh mucus.

 

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