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SARS-CoV-2 Variants

What is the primary driver of antigenic changes in the spike protein of SARS-CoV-2?
A. Virulence
B. Evolution in animal reservoirs
C. Immune pressure
D. Transmissibility
What is the main driver of antigenic changes in the spike protein of SARS-CoV-2?
A. CD4 T-cell responses
B. CD8 T-cell responses
C. Humoral response
Innate immunity
How does SARS-CoV-2 respond to immune pressure in terms of T-cell recognition?
Enhances CD8 T-cell responses
Has no impact on T-cell responses
Reduces recognition by CD8 T-cells
Activate CD4 T-cell responses
How does recent studies suggest T cells may contribute to protection from severe disease?
T-cells protect from servere disease
A. T cells have no impact on disease serverity
C. T-cells enhance viral replication
D. T-cells reduce the magnitude of immune responses
SARS-CoV-2 has been shown to infect various mammalian species, including cats, ferrets and raccoon dogs. However, human-to-human transmission remains the primary mode of spread.
True
False
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