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3 votes
A key characteristic of pandemic influenzas is that they:

A. Occur in a single wave, then recede quickly
B. Spread slowly throughout specific populations
C. Are not spread through human-to-human contact
D. Have the ability to mutate rapidly

User Octavio
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8.2k points

1 Answer

2 votes

Answer:

The correct option is D

Step-by-step explanation:

A key characteristic of pandemic influenzas is that they have the ability to mutate rapidly. When the immunity of human increases the pandemic virus changes.

User CamelCase
by
9.0k points
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