Who discovered the vaccine for smallpox?

Options

A. Louis Pasteur
B. Alexander Fleming
C. Edward Jenner
D. None of these

Explanation

**Step-by-Step Solution:**

1. **Identify the Question:** The question asks who discovered the vaccine for smallpox.

2. **Consider the Options:** The options provided are likely names of scientists, but the video transcript does not specify them. However, we know that Edward Jenner is associated with the smallpox vaccine.

3. **Historical Context:** Smallpox was a deadly disease that affected many people throughout history. The development of a vaccine was crucial in controlling and eventually eradicating the disease.

4. **Research Edward Jenner:** Edward Jenner is known for his pioneering work in immunology. He conducted experiments with cowpox, a disease similar to smallpox, to create a vaccine.

5. **The Experiment:** Jenner injected a boy with cowpox, which provided immunity against smallpox. This was a groundbreaking discovery in the field of vaccination.

6. **Conclusion:** Based on the historical context and the experiments conducted by Edward Jenner, he is credited with discovering the vaccine for smallpox.

7. **Final Answer:** The answer to the question is Edward Jenner.

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