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The questions is upload PDF, Please answer these questions by utilizing the given resources ,and any other reputable sources of information. Submit only your answers (without the text of the questions) in a document (DOC or PDF format only) in the Turnitin submission link below. will grade on completeness, so be sure to answer every question for full credit. Remember, all work that you turn in must be in your own words – you will NOT earn credit for copying and pasting text from websites or from the work of other students.

-use your own word please and DO NOT COPY ANYTHING ON LINE! I will be turn in this home work in turn it in! Please Use easy grammar and use your own word to answer all these questions.

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-if you need books to answer the questions I will sensed to you.(use book!!) down below!!!!!

-use easy grammar and easy to understand! Please also use complete sentences




Vaccines have saved millions of lives and have decreased or eradicated the occurence of many diseases. However, public trust in vaccination has waned in the last couple decades and we are beginning to see some of these diseases come back. In this module you will learn about the history of vaccination and how vaccines work to prevent disease.

By the end of this module you should be able to:

– Explain how vaccines prevent disease

– Explain how herd immunity prevents the spread of disease and protects vulnerable individuals within a population

– Describe the different types of vaccines

– Recognize the limitations of vaccines



How do Vaccines Work? (TED Ed) (Links to an external site.)Links to an external site.

This 4-minute video provides an overview of how vaccines work within the context of the immune system and describes the different types of vaccines.

Vaccines: Calling the Shots (PBS through Films on Demand) (Links to an external site.)Links to an external site.

This 53-minute video provides an engaging overview of the science behind vaccines, the reasons why vaccination rates have fallen in the recent decades, and the implications of low herd immunity.

How We Conquered the Deadly Smallpox Virus (TED Ed) (Links to an external site.)Links to an external site.

This 4.5-minute video describes the events that led to the eradication of the smallpox virus.


Vaccines (Department of Health and Human Services) (Links to an external site.)Links to an external site.

Information in the “Basics” and “Diseases” tabs can be used to help you answer the topic questions.

History of Vaccines (Links to an external site.)Links to an external site.

This website provides excellent information related to the types, function, effects, and history of vaccines. I encourage you to check out the different links within the left-hand sidebar