Bacteria on the keyboard

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Bacteria on the keyboard

bacteria-on-the-keyboard

On some Computer keyboards more germs frolic than on the domestic toilet glasses. It is not just a harmless pathogen. A regular cleaning of the computer keyboard and the mouse is recommended, therefore, urgent. The British consumer magazine “Which?” made at the beginning of 2008 the proof of the pudding, and came to some alarming results.

Keyboard a health hazard?

Some of the computer keyboard, the investigation showed more contaminated by bacteria than a also looked at a toilet seat health was potentially seriously hazardous. Eat at the PC, dust particles and do not wash hands after using the toilet are considered the main sources of bacteria-biotope on the Keyboard.

The British consumer advocates together with a micro-biologist for more than 30 keyboards from your own office under the microscope. The majority passed the hygiene test, individual keyboards, however, were so burdened with bacteria that their users were threatened by a serious stomach upset, if the pathogens entered the Finger into the organism.

Uncleaned Keyboards

Four keyboards fell through due to health risks smooth. Two of them had exceeded the staphylococcal warning level far, another keyboard had 150 times as many germs as permitted. This keyboard was five times as contaminated as bacteria, such as a well-studied toilet seat and with an increased risk for food poisoning, upset stomach, or diarrhea-prone.

As the largest of dirt and bacteria source in the case of keyboards, meals are taken at the Desk above the keyboard are valid. The remaining scraps of food to support the growth of the germs, according to the magazine.

Potential Health Hazards

Also, a sample of the television consumer magazine “market” of the WDR (broadcast from 31.3.2008) had previously already made a Test and found out, that PC-keyboards are breeding grounds for bacteria. Especially where many people use a keyboard, for example, in schools, offices or Internet cafés, this could spread about you in the presence of a pathogen, the consumer advocates. Together with Professor Hans-Juergen Tietz of the Institute for fungal diseases (Berlin) examined 20 keyboard samples from Internet cafes and offices. Result: 18 of them were charged.

Found puddle of germs that are resistant to many disinfectants and can cause infection; Bacteria, many of which are pathogens in humans is known (e.g., Escherichia coli); pus, bacteria (e.g., Staphylococcus aureus), the skin in humans, infections (boils) can lead, as well as in a case with a nail fungus.

The TV magazine “market”, and Professor Tietz stated, however, in spite of their findings, the basic all clear: as Long as only healthy people can work to the PCs, you will not be by these germs usually sick. But they were germ carriers, and potential germ-carriers. For the Sick, Weakened or susceptible people this could be the Problem. Should not come up with the germinate better in contact.

Danger by keyboards in hospitals

For years have been kept in the hospitals Computer, for example, for the documentation of the catchment and, thus, potential dangers, especially for the Sick. In the crevices of the keyboard of germs, which in turn can be from the hands of the staff transferred to romp often.

Especially fatal it can be at the intensive care units, where patients are often seriously ill and therefore immunosuppressed. In addition, various cannulas, probes and catheters provide the germs easy access paths in the body. So, American scientists showed that on the keyboard more microorganisms hausen as on other objects in the patient’s room and multi-can resist to survive duck germs there are more than 24 hours.

Keyboard cleaning – how it works!

For the basic cleaning of a keyboard (and mouse) is a in alcohol (or glass cleaner!) soaked damp cloth, against fungi, only a good disinfectant will help. In the trade of various cleaning utensils are to acquire, also, there are now special hygienic keyboards with a germ-killing, antibacterial surface coating. Sources:

  • Bures S, Fishbain JT, Uyehara CF, Parker JM, Berg BW. Computer keyboards and faucet handles as reservoirs of nosocomial pathogens in the intensive care unit. On.J.Infect.Control 2000; 28: 465-71
  • Devine J, Cooke RP, Wright EP. Is methicillin-resistant Staphylococcus aureus (MRSA) contamination of ward-based computer terminals a surrogate marker for nosocomial MRSA transmission and handwashing compliance? J. Hosp. Infect. 2001; 48: 72-5
  • Neely AN, Maley MP. Dealing with contaminated computer keyboards and microbial survival. On.J.Infect.Control 2001; 29: 131-2
  • Noskin, G. A. Hospital computer keyboards and keyboard covers harbor potentially harmful bacteria. Hosp., Health Netw. 2005; 79[5], 81-82