Edward jenner made a huge contribution to the field of medicine. which statement best describes his contribution? edward jenner was the first to describe how the circulatory system works. edward jenner took his love for engineering and used it to build the microscope. edward jenner was responsible for the discovery of the tracheostomy procedure. edward jenner invented a vaccination from cow pox that could make a person immune to smallpox.

The correct answer is D.  Edward Jenner invented a vaccination from cowpox that could make a person immune to smallpox.

Explanation:

Edward Jenner was an English scientist that lived from 1749 to 1823, who is mainly recognized for having invented the first vaccine for smallpox. Indeed, during the historical period Jenner lived around a twenty percent of the population died due to smallpox, which is a contagious virus, because of this Jenner began studying this virus and noticed cowpox which is a similar virus cows can develop, was transmitted to people as people milk cows and in many cases made them immune to smallpox. This observation made Jenner carry out different experiments by using pus from cowpox blisters to made people immune to cowpox, which was the basis for developing a vaccine against smallpox based on cowpox instead of using smallpox itself as this method has shown negative consequences. Thus, Edward Jenner made a huge contribution to the field of medicine because he invented a vaccination from cowpox that could make a person immune to smallpox.

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