Question

what are antibiotic.who discovered it first time
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Answer 1

Answer:

But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary's Hospital in London.

But it was not until 1928 that penicillin, the first true antibiotic, was discovered by Alexander Fleming, Professor of Bacteriology at St. Mary's Hospital in London.Inventor: Alexander Fleming

Explanation:

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Answer 2

Hope this answer helps you!

Antibiotics are medicines that treat infections by killing bacteria. They don't work on viruses, like the flu.

Alexander Fleming discovered it first time.