A study from Which? Computing has found some keyboards contained more bacteria than the average lavatory seat.
Researchers took swabs from 30 office keyboards and uncovered a cocktail of bugs that can cause infection and illness.
Two contained staphylococcus aureus which can lead to skin infections and food poisoning.
In one case, microbiologist James Francis recommended that a keyboard be removed as a precaution.
He described its bacteria readings as "off the scale".
Mr Francis said the contamination is largely due to a lack of proper lunch breaks.
"More and more people are eating at their desks and are transferring from hand to mouth all the time. That is making things worse," he explained.
"Telephones are also a problem. We have found a lot of pathogenic disease causing bacteria on telephones in hotel rooms for example.
"It is often down to common sense. If something looks grimy and horrible there is a good chance it is."
Jaclyn Clarabut, assistant editor at Which? Computing, told Sky News Online people have to take responsibility for their office environment.
"People should use alcohol wipes to really get rid of the germs. The best thing is to tip them upside down and watch the crumbs fall out. Once that's gone the bacteria stops growing," she said.
"If people don't clean their keyboards regularly, they might as well eat lunch in the toilet."
Contrary to some advice posted online though, office workers should not take their keyboards home and put them in the dishwasher.
For a full range of PC & Laptop cleaning products visit www.BuySpares.co.uk
(Source Yahoo! 2008)
