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Immunizations & Herd Immunity - How It Works

Posted on Aug 15, 2017 2:01:33 PM by healtheo360

Immunizations & Herd Immunity - How It Works: Our bodies fight against bacteria and viruses everyday thanks to our immune systems. Sometimes, our bodies need a little help to recognize, fight, and protect against certain diseases as well. Check out this infographic to learn how vaccinations help us do just that:

immunizations & herd immunity

 

Immunizations & Herd Immunity - How It Works: Immunization and Vaccination

Immunization is the process whereby a person is made immune or resistant to an infectious disease by the administration of a vaccine or immunization shot. Vaccinations are crucial in preventing life-threatening diseases. When they are given to a healthy person, the immune system is triggered and responds by building immunity to that disease.

 

Immunizations & Herd Immunity - How It Works: Vaccinations Protect Against Diseases Such As...

The most common vaccinations are those that protect against diseases like:

 

Immunizations & Herd Immunity - How It Works: Herd Immunity

For cases where one cannot receive immunization shots/vaccinations - typically infants, pregnant women, or those for whom vaccination was not successful- the principle known as herd immunity comes into play. When a large percentage of the population (herd) is immunized, the spread of disease is limited. This indirectly protects unimmunized individuals. As the number of those vaccinated increases, the protective effect of herd immunity increases because there is little opportunity for an outbreak.

 

 

 

Sources:

www.medlineplus.gov

www.historyofvaccines.org

www.who.int

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