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Aim: What does a vaccine do?

Aim: What does a vaccine do?. Do now: What 2 proteins are involved with an immune response? How do they work?. Vaccine history. During the 1700’s a scientist Edward Jenning thought it was curious that his milk maids did not get small pox (a virus that often infected people during the time)

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Aim: What does a vaccine do?

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  1. Aim: What does a vaccine do? Do now: What 2 proteins are involved with an immune response? How do they work?

  2. Vaccine history • During the 1700’s a scientist Edward Jenning thought it was curious that his milk maids did not get small pox (a virus that often infected people during the time) • He soon discovered that the milk maids originally got infected by Cow pox – a weaker form of small pox • He later infected one of his children with cow pox and found that he never got infected with small pox

  3. Vaccines • Vaccines are an injection of a weakened or dead pathogen, or the antigens it produces • Your immune system builds up antibodies against the these pathogens without getting sick from them • When the ‘real’ virus comes along, your body is able to defeat it before it can harm you

  4. Vaccines given in the first 2 years of life: Hepatitis B vaccine: Hib vaccine: Inactivated polio vaccine: Pneumococcal vaccine: Rotavirus vaccine: Hepatitis A vaccine: Influenza vaccine: MMR vaccine: Varicella vaccine: Meningococcal vaccine: Human papillomavirus vaccine:

  5. Exit question • How do vaccines work?

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