A recent study by the University of Arizona has discovered that computer keyboards house more germs than toilet seats harbouring deadly bacteria such MRSA. Microbiologists discovered there is an average of 3,300 microbes per square inch on our keyboards and 1,700 per square inch on a mouse, which is compared to just 49 microbes on a toilet seat! With the increasing use of computers in the health profession there is a worry that an increase in hospital infections could be imminent as keyboards can act as as 'superhighways' for bacteria and viruses, transferring them to our hands ...