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- The first vaccine was discovered by Edward Jenner ,from past 3000yrs ago there was a disease which is spread in the world which is known as smallpox he found that this disease is spread by cow to humans he observed milk maids do not get smallpox.
- what is vaccination doctor and how does it work ?
- I think cowpox disease is similar to smallpox lets do an experiment ,if it will workout thatwill great then.
- I decided to gather three things to prove my experiment small pox from victim ,cow pox from cow and someone to test my theory on.
- Jenner then vaccinate all the local children's with the cowpox to prevent them getting the more dangerous smallpox disease.
- yes! my prediction are right! I even tried this on other children and the same results came! I am so happy to know we have finally killed such a deadly plague. however ,I am not too sure how exactly I did this!
- I cant believe it worked! we injected cowpox into me and after few months, we injected small pox and I am not sick at all.
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