Rise of MRSA By dingram2312 1941 Penicillin Widely Used 1946 50% of Staphylococcus aureus Resistant to Penicillin 1961 Methicillin Created - First human made semi-synthetic Penicillin targeted at Staph aureus 1961 First Methicillin Resistant Strain of Staph aureus discovered 1980 MRSA (Methicillin Resistant Staphylococcus aureus spread across Europe and Americas 2000 Nearly 60% of Staph aureus is Methicillin resistant