Which of the following characteristics is true about influenza B virus? A) It causes severe illness in immunocompetent individuals. B) It is antigenically stable. C) It has designa... Which of the following characteristics is true about influenza B virus? A) It causes severe illness in immunocompetent individuals. B) It is antigenically stable. C) It has designated subtypes. D) It affects a wide range of animal species.
Understand the Problem
The question is asking the respondent to identify the true characteristic of the influenza B virus from a list of options provided.
Answer
Influenza B virus does not have designated subtypes.
Influenza B virus does not have designated subtypes.
Answer for screen readers
Influenza B virus does not have designated subtypes.
More Information
Influenza B viruses are largely antigenically stable compared to Influenza A, and primarily affect humans rather than a broad range of animals. They do not have subtypes but do have lineages, which are distinct groups of the virus.
Tips
A common mistake is to assume Influenza B affects a wide range of animals or is highly antigenically variable like Influenza A.
Sources
- Influenza B Virus - an overview | ScienceDirect Topics - sciencedirect.com
- Influenza B - an overview | ScienceDirect Topics - sciencedirect.com
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