Respuesta :
Answer:
4. Methicillin is a strong antibiotic and MRSA developed resistance to it, making it harder to treat.
Explanation:
MRSA was first discovered in 1961. It's now resistant to methicillin, amoxicillin, penicillin, oxacillin, and other common antibiotics known as cephalosporins.
Answer:
Option 4) Methicillin is a strong antibiotic and MRSA developed resistance to it, making it harder to treat.