BS240 - Community (Herd) Immunity

BS240 - Community (Herd) Immunity

Assessment

Flashcard

Biology

University

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

What is community (herd) immunity?

Back

Protection from infectious disease when critical immunization threshold has been met.

2.

FLASHCARD QUESTION

Front

What does it mean when immunity wanes over time?

Back

Memory cells decrease in numbers over time.

3.

FLASHCARD QUESTION

Front

In the context of herd immunity, what do the RED individuals represent?

Back

Infected individuals.

4.

FLASHCARD QUESTION

Front

What is the critical immunization threshold?

Back

The minimum proportion of the population that must be vaccinated to establish herd immunity.

5.

FLASHCARD QUESTION

Front

What is the role of memory cells in immunity?

Back

Memory cells help the immune system recognize and respond to pathogens it has encountered before.

6.

FLASHCARD QUESTION

Front

How does vaccination contribute to herd immunity?

Back

Vaccination reduces the number of susceptible individuals, helping to protect those who cannot be vaccinated.

7.

FLASHCARD QUESTION

Front

What is the significance of the 78% threshold for polio herd immunity?

Back

It indicates the percentage of the population that must be immune to prevent the spread of polio.

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