Vaccine Exposure to Disease

The theory behind vaccination is that if we are injected with a modified or weakened form of a virus or bacteria, our bodies will generate an immune response without contracting the disease.

If we are then exposed to the disease our immune system will be primed to respond quickly and the symptoms of the disease will not develop, or if they do it will be in a milder form.

‘Antigen’ is the term used for the bacteria or virus that our immune system responds to.
‘Antibodies’ are specialised cells that recognise and destroy viruses and bacteria as part of the immune response.

If a vaccine produces an antibody response it is deemed to be effective and is endorsed for use yet -

  • Studies show that an antibody response to a vaccine drops off in the weeks and months after vaccination, and that there is little benefit in re-vaccinating as antibody levels drop even more rapidly after booster doses.5
  • Some children do not produce antibodies at all and still recover from diseases with long –lasting immunity.6
  • A study in the Illawarra region of NSW found that only 50 out of 99 (50%) of children who had received the measles vaccine had measles antibodies.7

As the vaccinated population contract the diseases claimed to be prevented by vaccination, booster doses are scheduled. There is no scientific support for the claim that vaccines will provide long-term protection against disease.

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5. Cutts, F.T. and Markowitz, L.E., Successes and failures in measles control. J. Infect. Dis., 1994;Vol. 170 (Suppl. 1):S32-41
6. Dr Peter Baratosy, Vaccination? It’s your informed choice, 2004
7. Barrand et al, Reported measles immunisation and serological immunity in children attending general practitioners, Aust J Pub Health, 1991;15(2):101-106