Vaccines and Herd Immunity

To-Do Date: Mar 17 at 9:30am

 Why does it mater whether some people get vaccinated and other people do not?  In order to understand this question, we need to learn about herd immunity.

Keep in mind this study guide question while you watch the following video

. What is  herd immunity? 

• • • What is herd immunity?
    • Who is protected by herd immunity?
    • Why do so many people need to be immune before you can reach herd immunity? 

Watch these videos and take the mini-quiz. 

 

 

Optional: This video does a great job showing the R0

 

 

Great short video showing how viruses mutate and versions become more common. From this article Links to an external site. that is very helpful 

 

 

 

 

Now take a mini-quiz to help ensure that you keep up on the material!