Lecture 15 - Chap 15
Terms
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- What is immunodeficiency?
- All or part of the immune system fails to function
- What is Gay-Related Immunodeficency and why is it called it?
- It was the first name of AIDS, named cause it was first seen in gay couples.
- Why was it later changed to AIDS?
- Because they noticed it was being found in other couples not gay.
- How did we eventually find out AIDS was a virus?
- When filtered, it was the only thing fitting through.
- Can scientists prove that HIV is the cause of AIDS?
- According to evidence, in nearly every incident of AIDS, HIV has been found
- Why is AIDS spreading in US?
- Being unsafe
- Why is AIDS spreading in Asia and Africa?
- Too poor, lack of knowledge, increase in rape
- Explain the pattern of AIDS ( picture )
- Draw picture
- Why cant we get a vaccine against HIV?
- The high mutation rate
- Where did HIV come from?
- It mutated from an SIV virus found in chimpanzee's
- How do we get new viruses?
- Evolution
- What is a pathogen?
- An agent that causes disease
- What are the main factors that govern the spread of pathogens?
- Keeping the sick host alive long enough for the next host to get it, population density and herd immunity, weather, and extent of travel.