If fireplaces are installed, ensure that ventilation air is provided directly to the fireplace and conduct combustion safety testing to ensure the fireplace will not be backdrafted by other exhaust fans in the home.
Staphylococcus epidermidis is a Gram-positive bacterium, and one of over 40 species belonging to the genus Staphylococcus.It is part of the normal human flora, typically the skin flora, and less commonly the mucosal flora.. epidermidis does not possess the gelatinase enzyme, so it cannot hydrolyze gelatin. It is sensitive to novobiocin, providing an important test to distinguish it from Staphylococcus saprophyticus, which is coagulase-negative, as well, but novobiocin-resistant.
2 Staph bacteria have developed a resistance to penicillin-related antibiotics, including methicillin-these resistant bacteria are called methicillin-resistant staphylococcus aureus, or MRSA.  Staphylococcus aureus  (S. aureus) refers to an often harmful bacterium, commonly found in the nose and skin of humans.ore detail and supporting information is in the main article. 1  MRSA is a form of bacterial infection that is resistant to numerous antibiotics. 2  MRSA infection can begin as a minor skin sore or pimple and become potentially harmful.