[Campbell Biology P.527] According to the text, when were methicillin-resistant S. aureus MR... | Practice Question

According to the text, when were methicillin-resistant S. aureus MRSA strains first observed after methicillin was introduced?

  • A: 1943
  • B: 1945
  • C: 1959
  • D: 1961

Explanation

The text states: 'For example, a promising new antibiotic, methicillin, was introduced in 1959. But by 1961, methicillin-resistant strains of S. aureus were observed.'