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In 1776, Edward Jenner started the war against smallpox. The war continued until 1977, when the World Health Organization declared the world free of smallpox. This is a good example of _____. how the contributions of one individual can change the world of medicine how preventative medicine can help overcome disease how medical research can solve problems all of the above

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jessicawright382

The answer is all of the above, Edward Jenner was one individual who changed the world of medicine, he used preventive medicine to help over come disease and used medical research to solve problems.