Compare and Contrast Antigenic Shift and Antigenic Drift in Influenza

question 48

Essay

Compare and contrast antigenic shift and antigenic drift in influenza virus.How do antigenic shifts and drifts contribute to the need for annual vaccinations to prevent influenza?

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Definitions:

Order-Takers

Individuals or employees within a company responsible for taking orders from customers but not actively involved in sales solicitation.

Advantages

In the FAB sales approach, general statements about what the features do; they may or may not be connected to an expressed or actual customer need.

Expressed Need

A requirement or desire that has been clearly stated or communicated by individuals or groups.

Actual Need

The genuine requirement or necessity for a product or service based on a customer's specific situation or problem.