Answer:
Vaccines prevent the spread of contagious, dangerous, and deadly diseases. These include measles, polio, mumps, chicken pox, whooping cough, diphtheria, and HPV. The first vaccine discovered was the smallpox vaccine. Smallpox was a deadly illness.
A vaccine activates our immune system without making us sick. Many dangerous infectious diseases can be prevented in this simple and effective way. A vaccine activates our immune system without making us sick.
Vaccines contain weakened or inactive parts of a particular organism (antigen) that triggers an immune response within the body. Newer vaccines contain the blueprint for producing antigens rather than the antigen itself.
Explanation:
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Answer: Joyce organized the stories by the age of the protagonists.
Explanation:
Dubliners is a collection of stories about Irish middle class at the beginning of 20th century.
James Joyce, the author, decided to divide the collection of fifteen stories into three different sections related to the age of the protagonists. The first section dealt with childhood, the second one with adolescence and the last section focused on maturity.
A personal essay is about a meaningful time in the writer's life, whereas a memoir is about a topic important to the writer
