Conventional cleaning does little to eliminate the superbug MRSA (Methicillin Resistant Staphylococcus) in hospital environments, according to a recent United Kingdom study published in the Journal of Hospital Infection. The study, conducted at a London hospital, found MRSA contamination in MRSA-infected patient rooms after the walls and the furniture had been cleaned. The disease survived on tables, bed frames, door handles and light switches.

But the potentially fatal bug was all but eliminated where cleaners used a new method of hydrogen-peroxide vapor decontamination. The 1,200-bed hospital says further studies are needed to show whether or not environmental MRSA has an effect on patients. Similarly, future studies are needed to determine if standard cleaning should be altered and to further test the new procedure.