SARS-CoV-2 Environmental Science Question
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SARS-CoV-2 Environmental Science Question
When we covered Chapter 7 we discussed the concept of an emerging disease. Today, as we are living through the extreme consequences of just such an emerging disease, much of the world’s attention is (rightly) focused on how we can limit the impact of COVID-19 on the human population and how we can “get back to normal”.
However, thinking scientifically, it is just as important to consider how COVID-19 emerged in the first place and how, or even if, it might be possible to prevent another pandemic like this from ever emerging again.
Emerging diseases are often zoonotic (diseases that can infect multiple species) or evolved forms of diseases from other animals. So far, the evidence gathered from SARS-CoV-2 (the virus that causes COVID-19) indicates that, in this case, it was likely a combination of both. The Coronavirus strain that gave rise to SARS-CoV-2 can infect bats, pangolins, as well as dogs, tigers, minks, and a number of other animals. It also appears to have evolved since it first emerged as a human pathogen during the SARS epidemic of the early 2000s.
The question remains: why do diseases emerge? Is it the case that new diseases are constantly evolving to infect new hosts, and those hosts are evolving to resist these diseases? Or is human activity and habitat loss responsible for pushing organisms out of their fundamental niches, thus causing organisms that normally wouldn’t interact to come in contact with each other, accelerating the evolution of new pathogens?
The final scene of the movie “Contagion” (spoiler alert) shows a sequence of events beginning with the harvesting of a tree and leading up to the infection of one of the main characters with the emergent disease that is the focus of the movie. The implication being that habitat destruction was directly responsible for the outbreak. This is not just the construct of some Hollywood writer’s imagination, though. The producers of “Contagion” consulted with the CDC and one of the epidemiologists responsible for eradicating smallpox to ensure it was as scientifically accurate as possible.
While it is too soon to say, for certain, whether COVID-19 will be linked directly to habitat destruction, we can form a hypothesis against which we can gather evidence:
The emergence of novel diseases is accelerated by human-caused habitat destruction. Therefore the best way to prevent novel diseases from emerging in the future is to reduce the loss of habitat and specifically monitor locations where habitat loss is greatest.
Your assignment for this term paper is to choose 3 of the sources listed below, read or watch or listen to the evidence presented, and consider whether the evidence supports or refutes this hypothesis.
RUBRIC
Excellent Quality 95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support 91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology 58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score 50-85%
40-38 points More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality 0-45%
37-1 points The background and/or significance are missing. No search history information is provided.
75-1 points Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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SARS-CoV-2 Environmental Science Question