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"Education is the most powerful weapon which you can use to change the world”
– Nelson Mandela

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Herd Immunity Notes

Herd Immunity Notes

Q Watch the following video and take notes. This video is about 15 minutes long. Along with your notes, research and share what you learn about the R0 (R naught) number of the COVID Delta variant and explain what that means and what percentage of our society needs to be vaccinated to prevent disease spread. Visualizing Herd Immunity (with 500 Mousetraps!) (Links to an external site.) Submit your notes and your additional research about the COVID Delta variant here.

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The videos show how vaccines work by protecting not only you but also the whole population. A flu shot is given to protect people from particular flu strains. The vaccine keeps the immune system alert to act as it has already encountered the same diseases before. The vaccine protects an individual from getting sick. The term herd immunity has been used by veterinarians who coined the term in the early 20th century. Herd immunity-occur when a high percentage of the community is immune from disease, making the spread of this disease from to person unlikely. Therefore, those who are not vaccinated are protected.