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Zika 5

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ENGAGE - European Project on Responsible Research and Innovation in Science Education
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Zika 5

  1. 1. For more, visit EngagingScience.eu Zika Equipping the Next Generation for Active Engagement in Science Vote on the dilemma
  2. 2. 2 Zika could spread across the world. We declare it a public health emergency. ...and it may cause a dangerous paralysing illness in adults. Thousands of babies are being born with small heads and brain damage... Review ConsiderEngage Decide Would you test a vaccine? A previously mild illness, Zika is now causing panic in South America.
  3. 3. 3  Make deductions about how medical treatments work based on cells, tissues, organs and systems  Weigh up the benefits and risks of an application of science to make a decision Working ScientificallyBig Idea Cells Estimate risks In this lesson you will :
  4. 4. 4 What is Zika?  Spread by mosquitoes  No known cure or vaccine A vaccine gives you immunity for a disease. This means that you cannot catch it. Engage DecideConsiderReview  Caused by a virus Envelope Spikes Genetic information
  5. 5. 5 SS1 Engage DecideReview Play: How does the vaccine work? virus your cell 3 In the bloodstream... 5 2 Consider antibodies 4 Zika viruses with no genetic material 1
  6. 6. 6 SS2-3 Newspaper TV news Drug company website Celebrity tweet Ask family Ask friend Ask doctor Ask science teacher Engage DecideReview Consider Read the different sources.  Think about whether the source is reliable or if you should ignore it.  Decide how big the risk and benefits are.  Do the benefits outweigh the risks for you? For others? Find out the risks and benefits Testing the Zika vaccine
  7. 7. 7 SS2-3 • Make your decision. • Describe how you decided. • Click the image to vote online. • Compare your views with students around the world. Engage ConsiderReview Decide Would you test a vaccine?
  8. 8. For more, visit EngagingScience.eu Student sheets Zika Sheet no. Title Notes SS1 How the vaccine works Reusable, cut up, one per group SS2 Making a decision Consumable, one per student SS3a Sources Reusable, enlarged to A3 and cut up SS3b Sources Reusable, enlarged to A3 and cut up
  9. 9. Student sheets A C E G I B D F H J How the vaccine works SS1 The vaccine contains inactive versions of the Zika virus. The vaccine contains active Zika viruses. Your red blood cells realise that the virus is an invader. They create antibodies that stick to the spikes on the virus and destroys them. They create antibodies that stick to the genetic material in the virus and destroys them. The viruses are released into your skin. The viruses are released into your blood. If later you are infected with Zika, your immune system recognises the spikes on the surface of the viruses. They are destroyed before they get a chance to multiply and make you ill. If later you are infected with Zika, your digestive system recognises the spikes on the surface of the viruses. They are destroyed before they get a chance to multiply and make you ill. Your white blood cells realise that the virus is an invader.
  10. 10. Student sheets Making a decision If I test the vaccine... SS2 Benefits to me I will get paid to test the vaccine I will feel good about helping other people There might be other side effects from the vaccine I might get Zika from the vaccine Risks to me Total score Benefits to others If the vaccine works it could help save many lives The drug company will make money If I get Zika from the vaccine it could spread to others If I get ill from side-effects my family and friends will be upset Risks to others Score 0 +1 +2 +3 Score how big each benefit/risk is and how likely it is to happen + + Score 0 -1 -2 -3 Score 0 +1 +2 +3 Score 0 -1 -2 -3 Positive score means benefits are bigger. Negative score means risks are bigger Total score Positive score means benefits are bigger. Negative score means risks are bigger
  11. 11. Student sheets Sources Member of your family A friend Science teacher Doctor SS3a I have family in Brazil. A vaccine would keep them safe. You will be given an untested vaccine. It could harm you – let someone else try it. A vaccine, like any medicine, carries health risks. However, in tested vaccines these are very rare. We need to test new vaccines on people to check they work and are completely safe. Without this no new vaccines can be developed.
  12. 12. Student sheets SS3b Sources The Zika vaccine is being developed much more quickly than normal so it gets to people at risk as soon as possible. TV news Drug company website The vaccine has been tested in humans before and shown to be safe. The health of the volunteers will be checked daily by doctors. Newspaper The zika vaccine will contain toxic mercury and other chemicals, it’s more harmful than getting zika #antivaccine Selena McCarthy @selenam Celebrity tweet
  13. 13. For more, visit EngagingScience.eu Get students talking and thinking
  14. 14. For more, visit EngagingScience.eu Equipping the Next Generation for Active Engagement in Science

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