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MIMM 413 Lecture : jan 11 2012- dr. matlashewski.docx

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School
McGill University
Department
Microbiology and Immun (Sci)
Course
MIMM 413
Professor
Various

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Document Summary

New infectious diseases entered the new world 5-600 years ago with colonists who brought with them domestic animals (chickens, ducks, cows, pigs, camels, etc). World was fairly devoid of infectious diseases compared to the old world. However there is one clear example of a disease that was not present in the old world but present in the new. World is chagas disease (trypanosome), as well as syphilis (but this one is debatable). In the new world it was transmitted from skin to skin contact (people wore less clothes) and was milder and called something else. When it got into the new world, people wore more clothes, it was now transmitted sexually and became more virulent. Airport malaria: outbursts of malaria around airports because people with malaria land, mosquitos bite them when they are still close to the airport, and this causes outbreaks around airports.

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Related Questions

1. The three infectious diseases that cause the majority ofdeaths worldwide are influenza, hepatitis B, and malaria.

True False

2.

Although it is normally transmitted by mosquitoes, malaria couldpotentially be transmitted by blood transfusions as the parasitethat causes it lives in the blood.

True

False

3. The overuse of ____________________ can cause bacteria todevelop genetic resistance.

4. Chagas is the most important parasitic illness in _______causing 40,000 deaths each year.

Latin America

Australia

Asia

Europe

North America

5. List four factors that are responsible for emerginginfectious disease.

6. The Ebola virus is spread through casual contact.

True

False

Explain how a zoonotic pathogen such as the Hantavirus can be transmitted and cause infectious disease in a host. Explain the stages of the infectious disease cycle relating to this zoonotic pathogen.

What are the challenges for prevention and control of aparticular infectious disease. Does this disease already have avaccination, and if so, is the challenge in getting people to getvaccinated, or in creating a vaccine, or something else? How doesthe biology of a virus (for example, influenza or HIV) or bacteria(for example, TB or MRSA) present a challenge for its control? Howcan/do some organisms cause pandemics and how are different species(humans, animals) involved in that process? What do you think maybe the next infectious disease pandemic, and why? What organisms doyou think are most at risk for bioterrorism use, and why? Whatefforts are in place to prevent infectious disease relatedbioterrorism, and are they sufficient?

If any references are use can you list them