Staphylococcus aureus infections are not usually contagious to others. An infectious disease is when a pathogen infects another person in some way. Staphylococcus aureus is a bacterium that is found everywhere in nature, in water, air, dust, human and animal feces, and so on. So it is not usually contagious. Staphylococcus aureus is the most common pathogen in human pyogenic infections and can cause localized pyogenic infections, pneumonia, and pericarditis. If the skin is infected, it can lead to skin ulcers, aggravate wounds by enlarging them, and delay wound healing time. Staphylococcus aureus infection is a non-contagious infectious disease. When Staphylococcus aureus infection occurs. It is recommended to seek medical attention in a timely manner, with the help of a doctor for targeted treatment or therapy.