Three friends, Jennie, Ruby & Jane had gathered to prepare a group presentation for school. It was about vaccinations. Only Ruby was familiar with the topic and had to explain it to the rest two.
Since, you both aren't familiar with how vaccination was invented, I'll explain it you.
It seems confusing though-
Ruby starts to explain the story of vaccination. And Jane and Jennie listened.
Since, you both aren't familiar with how vaccination was invented, I'll explain it you.
It seems confusing though-
Edward Jenner, an english physician and scientist really wanted to conquer the deadly smallpox and come up with a cure.
One day, he observed Sarah Nelmes, an milkmaid in his town get infected by cow pox.
Ruby starts to explain the story of vaccination. And Jane and Jennie listened.
Jenner tested his theory by inoculating James Phipps , an eight year old boy. He was a gardener's son. Jenner scarped pus from the cowpox blisters on the hands of Sarah.
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