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Based on the information in “Edward Jenner and the History of Smallpox and Vaccination” which sentence best describes the twentieth century is significant in the historical timeline of smallpox?

A) It represents an improvement of the vaccination.
B) It represents a decrease in disease mortality.
C) It represents a need for revaccination.
D) It represents the end of the disease.

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Answer:

it represents an improvement of the vaccination

The sentence that best describes the twentieth century is significant in the historical timeline of smallpox is :

A) It represents an improvement of the vaccination.

Edward Jenner

The sentence that best describes the twentieth century is significant in the historical timeline of smallpox is that it represents an improvement of the vaccination.

Any preparation utilized as a preventive immunization to bestow resistance against a particular illness, as a rule utilizing an harmless shape of the malady operator, as slaughtered or debilitated microscopic organisms or infections, to fortify counter acting agent generation.

Thus, the correct answer is A.

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