Our skin is home to many different species of bacteria. Some of them - under favourable conditions for them - can lead to the occurrence of even very dangerous diseases. MRSA staphylococci or E. coli are usually mentioned in connection with pathogens that pose a threat to human health, but it turns out that a certain bacterium, which is much less talked about, can also be very dangerous. The micro-organism in questionis Staphylococcus epidermidis, and specialists from the UK's University of Bath discusswhy it can be very dangerous .