끄적끄적 연습장 끄적끄적 연습장

Antibiotic is a kind of drug that kills bacteria. Since penicillin was discovered by Alexander Fleming, human beings got able to cure bacterial disease(including getting infected) more easily. However, due to abuse and over using it, it caused emergence of antibiotic resistant bacteria like MRSA(methicilline resistant Staphylococcus aureus). Anyway, at this writing, I’m going to discuss about 1)..