The current pandemic COVID-19 (coronavirus disease 2019) is caused by 2019-nCoV (2019 novel coronavirus). You just learned about the transmission rate hypothesis for the evolution of pathogen virulence and the power of natural selection. Which of the following statements may go through your mind? -For individuals infected with a more virulent viral strain, each cough is likely to contain more virus particles when compared to individuals who are infected with a less virulent strain. Therefore, uninfected individuals will have a higher chance of being infected when encountering the droplets from individuals infected with a more virulent strain. -However, individuals infected with a more virulent viral strain is likely to get sick sooner and show severer symptoms, thus will have less time being out and about when compared to individuals infected with a less virulent viral strain. -If there is no public health measures on social distancing to prevent congregation, individuals infected with a more virulent viral strain will be able to disseminate the virus to susceptible individuals, thus resulting in the evolution of high viral virulence and making more people sick. -A properly worn mask can filter out large portion of virus particles in cough droplets and reduce the number of virus particles being inhaled by an uninfected individual. Therefore, mandatory mask wearing has the potential of shaping the evolution toward a less virulent state. -All of the above

Highly virulent means that, a pathogen or microbe that is marked by a severe, rapid, and destructive…

Answered: he current pandemic COVID-19…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter9: Gene Expression And Gene Regulation

Section: Chapter Questions

Problem 2CS: There have been recurring cases of mad-cow disease in the United Kingdom since the mid-1990s....

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The current pandemic COVID-19 (coronavirus disease 2019) is caused by 2019-nCoV (2019 novel coronavirus). You just learned about the transmission rate hypothesis for the evolution of pathogen virulence and the power of natural selection. Which of the following statements may go through your mind?

	-	For individuals infected with a more virulent viral strain, each cough is likely to contain more virus particles when compared to individuals who are infected with a less virulent strain. Therefore, uninfected individuals will have a higher chance of being infected when encountering the droplets from individuals infected with a more virulent strain.
	-	However, individuals infected with a more virulent viral strain is likely to get sick sooner and show severer symptoms, thus will have less time being out and about when compared to individuals infected with a less virulent viral strain.
	-	If there is no public health measures on social distancing to prevent congregation, individuals infected with a more virulent viral strain will be able to disseminate the virus to susceptible individuals, thus resulting in the evolution of high viral virulence and making more people sick.
	-	A properly worn mask can filter out large portion of virus particles in cough droplets and reduce the number of virus particles being inhaled by an uninfected individual. Therefore, mandatory mask wearing has the potential of shaping the evolution toward a less virulent state.
	-	All of the above

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