What is herd immunity and how many people need to be vaccinated to protect a community?

The vaccine coverage needed for herd immunity varies from disease to disease. Ryoji Iwata/UnsplashThe term herd immunity comes from the observation of how a herd of buffalo forms a circle, with the strong on the outside protecting the weaker and more vulnerable on the inside. This is similar to how herd immunity works in preventing the spread of infectious diseases. Those who are strong enough to get vaccinated directly protect themselves from infection. They also indirectly shield vulnerable people who cannot be vaccinated. There are various reasons a person may not be able to be successfully vaccinated. People undergoing cancer treatment, and whose immune systems are compromised, for instance, are impaired in their ability to develop protective immunity from all vaccines. Often, people who can’t be

From http://besthealthnews.com/2019/08/what-is-herd-immunity-and-how-many-people-need-to-be-vaccinated-to-protect-a-community/?utm_source=rss&utm_medium=rss&utm_campaign=what-is-herd-immunity-and-how-many-people-need-to-be-vaccinated-to-protect-a-community

from
https://healthnews010.wordpress.com/2019/08/01/what-is-herd-immunity-and-how-many-people-need-to-be-vaccinated-to-protect-a-community/

From https://jamesjohnson10.blogspot.com/2019/08/what-is-herd-immunity-and-how-many.html

from
https://jamesjohnson10.wordpress.com/2019/08/01/what-is-herd-immunity-and-how-many-people-need-to-be-vaccinated-to-protect-a-community/

From https://judywright2.blogspot.com/2019/08/what-is-herd-immunity-and-how-many.html

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Author: Judy Wright

This more traditional concept of natural things which can still be found today implies a distinction between the natural and the artificial, with the artificial being understood as that which has been brought into being by a human consciousness or a human mind.

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