12 Questions
What is the characteristic of the Orthomyxoviridae genome?
Segmented single-stranded RNA
What is the function of Hemagglutination in the influenza virus?
Absorption and attachment
What is the basis for distinguishing between the three major antigenic types of Orthomyxoviridae?
Antigenic differences in the matrix protein (M) and nucleoprotein (NP)
Which type of influenza virus is antigenic shift exclusive to?
Influenza A only
What is the primary method for diagnosing influenza A?
Cell culture with hemadsorption using guinea pig red blood cells
What is the result of antigenic drift?
Minor change in antigenic structure
What is the characteristic of Influenza C?
Causes mild form of influenza
What is the mechanism of antigenic shift that involves the combination of different influenza viruses?
Genetic reassortment
What is the treatment for influenza A?
Supportive care and Amantadine
What is the type of influenza that occurred in 1957-1958?
Asian Flu
Why is testing for Influenza C not routinely requested?
The virus is not frequently detected
What is the outcome of antigenic shift in the influenza virus?
Pandemics and epidemics
Test your knowledge of Orthomyxoviridae, a virus family with a segmented genome, and its characteristics, including antigenic types and the diseases it causes. Focus on Influenza and its diagnosis.
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