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  Immunisation – How does it work
 
How do vaccines work?

Vaccines contain portions of bacteria or viruses, or even a weak strain of the actual virus. These small doses enable the body to build immunity to the disease without actually contracting it. The immune system then has the ability to remember that disease, should it encounter the same germ again, and fight it off without having to build immunity from scratch. From early times ancient people have understood that if a person survived a disease, they were unlikely to contract it again. However it took the genius of Edward Jenner in 1796, to create the basis of the immunization industry today. He rubbed cowpox pus onto cuts in the arm of a small boy. The boy remained healthy when he was later exposed to smallpox.

See also:

Immunisation - Age of baby

Immunisation - Controversy

Immunisation - Chicken Pox

Immunisation - Diphtheria

Immunisation - German Measles

Immunisation - Hepatitis A

Immunisation - Hepatitis B

Immunisation - Hib Disease

Immunisation - Measles

Immunisation - Mumps

Immunisation - Pertussis

Immunisation - Polio

Immunisation - Reducing impact on baby

Immunisation - Rubella

Immunisation - Safety

Immunisation - Schedule

Immunisation - Tetanus

Immunisation - Tuberculosis

Immunisation - Varicella

Immunisation - Whooping cough


 
   
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