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Virginia Tech - GEOS 1024 - Class Notes - Week 3

Created by: Alexandria Ahwee-Marrah Elite Notetaker

Virginia Tech - GEOS 1024 - Class Notes - Week 3

School: Virginia Polytechnic Institute and State University
Department: Geoscience
Course: Resources Geology
Professor: Luca Fedele
Term: Fall 2016
Tags:
Name: Res Geo
Description: Chapter 6 Notes
Uploaded: 09/19/2017
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background image Eradicating a Parasitic Nightmare Human health is intricately linked to the environment Water contamination and other environmental changes can contribute to 
infectious disease transmission. Better sanitation and access to public health 
programs, as well as clean air and water, can improve human health.
ZIKA (ZIKV) Virus (arbovirus): arthropod and mosquito Discovered/isolated 1947 (monkey) ­ Africa 1948 (mosquito) ­ Africa 2013 and 2014 Large French Polynesian outbreak (about 30,000) Guillain­Barre syndrome  2015 Brazil  Severe congenital malformations (microcephaly) It is now clear that ZIKA is following the path of DENV and CHIKV, 
spreading to all countries infested with Aedes aegypti and Aedes 
albopictus mosquitoes
Environmental Hazards impact Human Health Tiny water fleas, seen as black flecks in the water supply, are responsible for 
worm infections that sweep through villages every year or so.
While not fatal, the worms temporarily incapacitate workers, often during the 
harvest season. The female worms will burrow through the tissues and cause 
painful blisters on the skin.
The simple processes of filtering the water can stop the cycle of infection since 
the worm’s life cycle cannot be completed without a human host ingesting the 
larvae.
The role of public health is to improve the health of the human population, both in
more developed nations.
Educating people in how to improve sanitation and other behaviors is a part of 
the preventative treatment provided by health care workers around the world
Understanding different social and cultural systems is an important part of public 
health
Public health professionals identify specific risks, analyze relevant information, 
and develop methods (cultural, social, and medical) to eliminate or remediate 
those risks
Noncommunicable diseases have a more significant impact but cannot be 
transferred from one individual to another.
Cardiovascular disease is usually the result of behavior or genetics Infectious disease are those that can move from one victim to the next by a 
vector or another organism. Many rely on other organisms as intermediate hosts.
Zoonotic Disease ­ Transferred from animals and the virus evolved to infect 
humans

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School: Virginia Polytechnic Institute and State University
Department: Geoscience
Course: Resources Geology
Professor: Luca Fedele
Term: Fall 2016
Tags:
Name: Res Geo
Description: Chapter 6 Notes
Uploaded: 09/19/2017
2 Pages 8 Views 6 Unlocks
  • Better Grades Guarantee
  • 24/7 Homework help
  • Notes, Study Guides, Flashcards + More!
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