Two Different Antigens Vary in Different Strains of Influenza Virus

question 2

Multiple Choice

Two different antigens vary in different strains of influenza virus, and every year, a vaccine is developed to include the best choice of them. What are the antigens?

• A)the hemagglutinin and the neuraminidase
• B)the Paul-Bunnell and the serum sickness antigens
• C)the EBNA and VCA antigens
• D)GP120 and GP41

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Definitions:

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Overly Optimistic

This term refers to an excessive belief in the favorable outcomes of events or conditions, often disregarding the likelihood of negative outcomes.

Technical Analyst

A professional who evaluates securities or market trends based on historical price and volume data to predict future movements.

Passive Approach

An investment strategy that aims to replicate the performance of a market index or benchmark, minimizing buying and selling actions to reduce costs.