So what can you do to protect yourself?
- The main thing is wash your hands regularly. Almost half of people switch on their computers before doing anything else when they first arrive at work in the morning, despite having come into contact with millions of germs on the way into the office. Watch the video above as proof!
'Even if you're healthy, you can still become a carrier of infections and viruses that may harm other people,' warns Dr Hilary Jones.
- Clean your desk and computer equipment. Only 3% of companies have a cleaning service in place that cleans computer hardware with the proper equipment.
- Take a break at lunchtime. So many people eat lunch at their desk and this contributes to the amount of bacteria and viruses. If your keyboard keys are contaminated with MRSA, it will nearly always spread to your hands.
Do you keep your computer clean? Enter our poll on the right