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Hiv And Aids Facts PowerPoint Presentation

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Slide 1 - Facts HIV and AIDS
Slide 2 - HIV – Human Immunodeficiency VirusAIDS – Auto Immune Deficiency Syndrome • HIV is the name given to a virus • HIV affects your immune system (the way your body fights illness and infection) • HIV stops your immune system from working properly so that your body can no longer defend itself. This is AIDS.
Slide 3 - What is a Virus? Influenza (flu), Polio, Smallpox Viruses are microbes They consist of - DNA or RNA (which hold the information about the virus, like your DNA) A protein coat (to protect the DNA/RNA)
Slide 4 - How a virus ‘works’ A virus is a parasite which cannot reproduce on its own, it needs another living thing to survive It infects the cells of your body and ‘hijacks’ them (Adsorption & Entry) Your cells stop doing what they’re supposed to and instead make copies of the virus (Replication & Assembly) The new viruses are released and go on to infect other cells (Release)
Slide 5 - Is It Alive? Viruses have characteristics of living things but, in some ways, could be said to be non-living – what do you think? Remember – Living things - Move - Reproduce - Sense - Grow - Respire - Get rid of waste - Need energy
Slide 6 - How does it spread? A virus needs to make its way from one ‘host’ to another This can happen in different ways Airborne Transfer of body fluid Through a ‘carrier’ (malaria) HIV is transferred ONLY through transfer of body fluid Can you think of any examples of body fluids that could spread HIV? How much of each body fluid do you think needs to be transferred for someone to become infected with HIV?
Slide 7 - How does AIDS affect you? HIV stops your immune system from working properly This means an illness that is not very serious for you and me can become life threatening to someone with HIV People do not die from AIDS, they die because their bodies cannot fight off infections from other disease-causing organisms -pnuemonia -tuberculosis
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Slide 10 - HIV in South Africa South Africa has an estimated five million people living with HIV - more than any other nation. Activists say some 600 South Africans die from Aids-related diseases each day.
Slide 11 - Aids is predicted to cause a huge rise in the country's death rate over the next two decades.
Slide 12 - Researchers say that people who use and abuse alcohol are at both greater risk of contracting Aids, and infecting others. A survey conducted in Carltonville in South Africa revealed that men who drink are four times more likely to be HIV positive.
Slide 13 - Unsafe Sex in South Africa Why do you think that unsafe sex is so prevalent in South Africa? Why do you think women in South Africa feel they must have sex when asked? What could the government do to change these statistics?
Slide 14 - HIV prevalence rates in women under 20 have fallen since 1998, suggesting that Aids awareness campaigns are having an impact
Slide 15 - This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.