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Vaccines & Preventable Diseases


Background | Resources | Articles



Background

Vaccine-preventable disease levels are at or near record lows. Even though most infants and toddlers have received all recommended vaccines by age 2, many under-immunized children remain, leaving the potential for outbreaks of disease. Many adolescents and adults are under-immunized as well, missing opportunities to protect themselves against diseases such as Hepatitis B, influenza, and pneumococcal disease. CDC works closely with public health agencies and private partners to improve and sustain immunization coverage and to monitor the safety of vaccines so that this public health success story can be maintained and expanded in the century to come.

Source:CDC

 

Vaccines: The Basics

Vaccines contain the same germs that cause disease. (For example, measles vaccine contains measles virus, and Hib vaccine contains Hib bacteria.) But they have been either killed or weakened to the point that they don't make you sick. Some vaccines contain only a part of the disease germ.

A vaccine stimulates your immune system to produce antibodies, exactly like it would if you were exposed to the disease. After getting vaccinated, you develop immunity to that disease, and you don't have to get sick.

This is what makes vaccines such powerful medicine. Unlike most medicines, which treat or cure diseases, vaccines prevent them.

Source: CDC


For more than the basics, see:

Understanding vaccines & their purpose

How Vaccines Prevent Disease

Vaccine safety basics

Demos - See in action

o How Vaccines Work
Source: History of Vaccines

o Types of Vaccines
Source: History of Vaccines

o How Vaccines are Made
Source: History of Vaccines

o How the Vaccinated Protect the Unvaccinated
Source: History of Vaccines

· How vaccines work [116KB - 1 page]
Excerpt from Parent's Guide to Immunizations

How Vaccines Prevent Disease

MORE...

Source: CDC

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