Why Edward Jenner Invented The Cowpox Vaccine?

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Edward Jenner was the man who invented the cowpox vaccine. The cowpox vaccine is the vaccine that gives you cowpox so that you can defend against and not get the smallpox. The smallpox was a deadly virus that a lot of people died from before this vaccine was created. The cowpox vaccine was discovered when Edwards milkmaids had gotten cowpox and they were talking to some other people about how when they got the cowpox, they were not able to get the smallpox. After overhearing this, Jenner went on as a physician to experiment and test different solutions. The outcome of his studies were of course successful and he made the cowpox vaccine. The vaccine works by applying the vaccination it infects the subject for 4 to 7 days and then it give

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