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WHAT IS AN INFECTIOUS DISEASE?

WHAT IS AN INFECTIOUS DISEASE?. http://www.youtube.com/watch?v=ewpYq9rgg3w&feature=related. Warm- up: Which event took the most American lives?. World War I (1914-18) AIDS, 1981-1999 1918-19 Flu Epidemic. Results!!. American deaths in World War I (1914-18): 116,516

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WHAT IS AN INFECTIOUS DISEASE?

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  1. WHAT IS AN INFECTIOUS DISEASE? • http://www.youtube.com/watch?v=ewpYq9rgg3w&feature=related

  2. Warm- up: Which event took the most American lives? • World War I (1914-18) • AIDS, 1981-1999 • 1918-19 Flu Epidemic

  3. Results!! • American deaths in World War I (1914-18): 116,516 • American deaths from AIDS, 1981-1999: 425,357 • American deaths from the 1918-19 Flu Epidemic: approximately 650,000

  4. We need a doctor! Could a flu similar in proportion to the one of 1918 happen again? Brainstorm how we would react to such an epidemic today. Focus on the technology and ways in which the world has changed since the 20th century.

  5. Directions Students will work in groups of 4 to complete requirements #1 -5. EVERY student must complete the work in their composition book. You may use the textbooks and internet sources. Prior to working in your groups: • Read the article “Flu Trackers” • Record four main points found in the article to share with your group. Some thoughts: types of viruses found, cause, prevention, challenges.

  6. Viruses and Bacteria 1. List five diseases caused by a virus and five caused by a bacterium (plural – bacteria)

  7. 2. Define the following terms: • Virus • Retrovirus • Epidemic • Pandemic • pathogen • Vaccine • Lytic cycle • Lysogenic cycle

  8. Requirements – continued 3. Draw and label a virus. 4. Choose 4 of the 5 diseases caused by a virus from questions # 1. What are the symptoms for each? How are they transmitted (passed) from one person or animal to another? 5. Scenario: There has been a recent outbreak of one of the above diseases! Develop a plan to notify the public. What would you do to control the spread of the disease? Who should be treated first and why? How would you distribute the medication? Who would help with the process? 2- 3 paragraphs

  9. Warm-up: Infectious Diseases – Answer the following questions • How does a vaccine work? • What kind of virus is HIV? • What happens to the infected cell during the lysogenic cycle? • What cycle typically leads to the lysis of the host cell?

  10. Answers • Stimulates the Immune system • Retrovirus • Rapid lysis (breaking apart) occurs • Lytic Cycle

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