The term vaccine was introduced by

Options

A. Jenner
B. Koch
C. pasteur
D. Jointly by koch and Pasteur

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the origin of the term "vaccine." It is important to identify who first coined this term in the context of immunization.

2. **Identifying Key Figures**: The question provides options related to notable figures in the field of vaccination and microbiology. The two figures mentioned are Edward Jenner and Louis Pasteur, along with Robert Koch.

3. **Researching Edward Jenner**: Edward Jenner is known for his pioneering work in vaccination. He developed the first successful smallpox vaccine in 1796, which laid the foundation for immunology.

4. **Coining of the Term 'Vaccine'**: Jenner derived the term "vaccine" from the Latin word "vacca," which means cow, as he used cowpox material to create immunity against smallpox.

5. **Conclusion**: Therefore, the term "vaccine" was introduced by Edward Jenner, who is often referred to as the father of vaccination.

**Final Answer**: The term vaccine was introduced by Edward Jenner.

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