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This figure shows the frequency of the different variants of the novel coronavirus over time colored as each variant. I need help understanding what the figure tells me about the relative fitnesses of the delta variant compared to the alpha variant?

This figure shows the frequency of the different variants of the novel coronavirus over time colored as each variant. I need help understanding what the figure tells me about the relative fitnesses of the delta variant compared to the alpha variant?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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 This figure shows the frequency of the different variants of the novel coronavirus over time colored as each variant. I need help understanding what the figure tells me about the relative fitnesses of the delta variant compared to the alpha variant?

**Image Description for Educational Website:** The image displays a stacked area graph illustrating the prevalence of different COVID-19 variants over time, from October 2020 to October 2021. **Graph Explanation:** - **X-Axis:** Represents time, marked by months from October 2020 to October 2021. - **Y-Axis:** Illustrates the percentage prevalence of different COVID-19 variants, ranging from 0% to 100%. **Variants Shown:** 1. **20A (Gray):** This variant starts with high prevalence in October 2020, making up nearly the entire composition. Over time, its presence sharply declines, disappearing by mid-2021. 2. **20B (Light Gray):** This variant is also prevalent at the start, similar to 20A, but its representation decreases significantly by mid-2021. 3. **20I (Alpha, V1) (Blue):** Introduced around early 2021, this variant shows a significant rise, peaking around March 2021, before declining sharply by June 2021. 4. **21J (Delta) (Green):** Initially absent, this variant emerges in early 2021 and its presence increases dramatically. By mid-2021, it becomes the dominant variant, maintaining high prevalence through October 2021. The graph visually depicts the evolution and replacement of COVID-19 variants over the specified period, highlighting the dynamic nature of virus transmission and mutation.
Transcribed Image Text:**Image Description for Educational Website:** The image displays a stacked area graph illustrating the prevalence of different COVID-19 variants over time, from October 2020 to October 2021. **Graph Explanation:** - **X-Axis:** Represents time, marked by months from October 2020 to October 2021. - **Y-Axis:** Illustrates the percentage prevalence of different COVID-19 variants, ranging from 0% to 100%. **Variants Shown:** 1. **20A (Gray):** This variant starts with high prevalence in October 2020, making up nearly the entire composition. Over time, its presence sharply declines, disappearing by mid-2021. 2. **20B (Light Gray):** This variant is also prevalent at the start, similar to 20A, but its representation decreases significantly by mid-2021. 3. **20I (Alpha, V1) (Blue):** Introduced around early 2021, this variant shows a significant rise, peaking around March 2021, before declining sharply by June 2021. 4. **21J (Delta) (Green):** Initially absent, this variant emerges in early 2021 and its presence increases dramatically. By mid-2021, it becomes the dominant variant, maintaining high prevalence through October 2021. The graph visually depicts the evolution and replacement of COVID-19 variants over the specified period, highlighting the dynamic nature of virus transmission and mutation.
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