Herd Immunity

question 33

Multiple Choice

Herd immunity

• A) allows epidemiologists to predict when an epidemic will occur
• B) should be low in order to achieve maximum protection
• C) only applies to zoonoses that involve cattle
• D) is greatly increased with a large-scale immunization program

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Definitions:

Deepest Marine Water

The section of the ocean that is furthermost below sea level, often located in ocean trenches.

River System

A network of rivers and streams that drain an area of land, including tributaries, main rivers, and often a delta where it meets an ocean or lake.

Deepest Marine Water

The water found at the greatest depths of the ocean, often characterized by cold temperatures and high pressure.

Ancient Mountain Front

The original forward edge or boundary of a mountain range, often eroded and buried, indicating past tectonic and geomorphological activity.