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Who discovered 'vaccine' for the first t...

Who discovered 'vaccine' for the first time? Name two diseases which can be prevented by using vaccines.

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**Step-by-Step Solution:** 1. **Identify the Discovery of Vaccines**: The first vaccine was discovered in 1796 by an English doctor named Edward Jenner. He is credited with developing the concept of vaccination. 2. **Understand the Mechanism of Vaccines**: Vaccines work by stimulating the production of antibodies in the body. These antibodies help the immune system to fight against disease-causing microorganisms (pathogens) and prevent further infections. 3. **Provide Examples of Diseases Prevented by Vaccines**: There are many diseases that can be prevented by vaccines. Two notable examples are: - Smallpox - Polio 4. **Summarize the Information**: To summarize, Edward Jenner discovered the vaccine in 1796, and two diseases that can be prevented by vaccines are smallpox and polio. ---
**Step-by-Step Solution:** 1. **Identify the Discovery of Vaccines**: The first vaccine was discovered in 1796 by an English doctor named Edward Jenner. He is credited with developing the concept of vaccination. 2. **Understand the Mechanism of Vaccines**: Vaccines work by stimulating the production of antibodies in the body. These antibodies help the immune system to fight against disease-causing microorganisms (pathogens) and prevent further infections. 3. **Provide Examples of Diseases Prevented by Vaccines**: There are many diseases that can be prevented by vaccines. Two notable examples are: - Smallpox ...
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