Vaccine Was discovered by______________?
Correct answer: B. Edward Jennar
- A. Louis Pasteur
- B. Edward Jennar
- C. Ivanowski
- D. Stanely
Explanation
Edward Jenner developed the first successful vaccine by using material from cowpox lesions to protect against smallpox. Louis Pasteur later developed important vaccines, including those against rabies and anthrax. Students may choose a because Pasteur is strongly associated with the development of modern vaccination, but Jenner made the first vaccine.
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About Viruses
Viruses are acellular infectious particles made of genetic material enclosed by a protein capsid, sometimes with a lipid envelope. Their replication depends on a host cell and may follow lytic or lysogenic cycles, so viral structure and reproduction differ fundamentally from those of cellular organisms such as bacteria.
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