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Letter: Clear the air

Published 8 January 2014

From Dave Kimber

When will hospitals and schools revert to using brass instead of stainless steel for door furniture? I understand that some germs like iron, but most hate copper. In an epidemic, even a small reduction in transmission is worthwhile.
St Neots, Cambridgeshire, UK

Issue no. 2951 published 11 January 2014

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