Uploaded December 2025 | Updated September 2026, 3 weeks ago

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Antibiotics are used to treat bacterial infections but not virus infections. The reason is that viruses do not have a metabolism which antibiotics could attack.

00:00 Introduction: Bacteria vs. Viruses
00:15 What are Antibiotics?
00:43 Metabolism: The Key Difference
01:10 The Meaning of "Antibiotic"
01:18 How Penicillin Works
01:40 Why Viruses are Harder to Treat
02:21 Strategies for Antiviral Medications
02:45 How Vaccinations Help
03:02 Conclusion and Summary

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