Subscribe now

Health

'Superspreading' doctors cause most infections

28 October 2009

SWINE flu and hospital superbugs may have a common weapon: the dirty hands of doctors and nurses that act as germ “superspreaders”.

Didier Guillemot of the Pasteur Institute in Paris, France, and colleagues created a mathematical model of a hypothetical intensive care unit (ICU) with a staff of 22.

They found that staff who saw all patients briefly were better at spreading germs than those who tended a few patients very closely. If just one of the former always failed to wash their hands, it caused more infections than if the entire staff forgot one-quarter of the time (Proceedings of…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

More from New Scientist

Explore the latest news, articles and features

Popular articles

Trending New Scientist articles

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop