表皮
The most common types of bacteria found in all the vehicles involved in the study, were Staphylococcus epidermidis, Staphylococcus aureus and Micrococcus luteus. 最常見的類型的細菌存在于所有的車輛參與了這項研究，是表皮葡萄球菌，金黃色葡萄球菌和微球菌。
