The "community
acquired" penicillin resistant S. aureus originated from the hospital since
1940’s based on the graph and after 10 years, S. aureus resistant increases to 60%.
In 1960’s, it spread to the community and eventually spread across the world.
Moreover, Staphylococcus<span> aureus infections <span>can
be treated with penicillin in the past but when it became resistant to penicillin, pharmaceutical companies discovered methicillin,
which is a derivative of penicillin. However, </span>S. aureus resistant was also develop with methicillin from late 1980’s
in the hospital and in the community from the start of year 2000.</span>