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Childhood Vaccinations - Schedule of Required shots explained
  What is the BCG vaccine?
  What are IPV/OPV?
  What is the Hib (Haemophilus influenza Type B) vaccine?
  What is the pneumococcal vaccine?
  What is Hepatitis B vaccine?
  What is Hepatitis A vaccine?
  What is the rotavirus vaccine?
  What is the varicella vaccine?
  What is the MMR vaccine?
  Tell me more about the DTaP vaccine?
  Finally, how are vaccines made
Disclaimer: This article is for information only. Compiling the information has been done with care but we make no warranty as to its accuracy. Consult a doctor or other health care expert for updates or when in doubt.

Finally, how are vaccines made

Vaccines are made by taking viruses and bacteria and weakening them so that they don't reproduce in the child's body but form the antibodies necessary for protection when exposed to the natural or 'wild type' virus. In this way vaccinated children will develop immunity after being exposed to enough virus or bacteria but do not fall sick from the exposure. There are several ways to attenuate or weaken live virus vaccines.

(1) For example the polio virus in the IPV vaccine is destroyed permanently with some chemical so that the virus cannot replicate in the body at all.

(2) For example Hib or Hepatitis B vaccines use only part of the virus or bacteria and because only a part of it is active, the vaccine cannot actively duplicate in the body.

(3) For example the blueprint in MMR and OPV vaccines are changed to weaken them before the shot is given so as to prevent replication in the children.

(4) For example bacteria like diphtheria, tetanus and pertussis are all caused by the toxins produced by the bacteria. The vaccines made against the diseases are purified and destroyed with chemicals therefore disabling them from replicating.


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Disclaimer: Information contained on this Web site is intended solely to make available general summarized information to the public. It should not be substituted for medical advice. It is your responsibility to consult with your pediatrician and/or health care provider before acting on any advice on this web site. While OEM endeavors to provide up-to-date and accurate information, it is not liable for any advice whatsoever rendered nor is it liable for the completeness or timeliness of any information on this site.
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