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Orthomyxoviridae: Structure and Classification

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Orthomyxoviridae: Structure and Classification

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Questions and Answers

What distinguishes the multiple subtypes within each virus type of Orthomyxoviridae?

Variations in the envelope structure

Variations in the host cell attachment proteins

Variations in the viral RNA structure

Variations in the surface glycoproteins-hemagglutinin (HA) and neuraminidase (NA) (correct)

How does the influenza virus lead to secondary bacterial infections in the respiratory tract?

By triggering an allergic reaction leading to bacterial invasion

By inducing overproduction of mucus in the respiratory tract

By directly attacking the bacteria in the respiratory tract

By infecting and causing a loss of the ciliated epithelium and disrupting mucociliary flow (correct)

What is the origin of the envelope of Myxoviruses?

Stolen from other viruses

Derived from host-membrane by budding (correct)

Generated from viral RNA

Synthesized de novo by the virus

Which demographic group is most fatally affected by influenza virus infections?

<p>Elderly, infants, and chronically ill individuals</p> Signup and view all the answers

Orthomyxoviridae: Structure and Classification

Choose a study mode

Podcast

Questions and Answers

What distinguishes the multiple subtypes within each virus type of Orthomyxoviridae?

How does the influenza virus lead to secondary bacterial infections in the respiratory tract?

What is the origin of the envelope of Myxoviruses?

Which demographic group is most fatally affected by influenza virus infections?

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