Quiz & Worksheet - What is Herd Immunity?

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is immunity?

The number of disease-fighting red blood cells in the body The amount of antibiotics in a person's system

An organism's ability to fight off disease A measure of overall health in an organism

Worksheet

Print Herd Immunity: Definition & Threshold Worksheet

1. What is herd immunity?

The number of disease-fighting white blood cells in a person
The protection the whole population has against a disease because a threshold number of individuals are immune to the disease
Immunity in a herd of cows
The number of people that opt out of getting vaccinations

2. What is not true about threshold herd immunity?

The threshold herd immunity for measles in a population is 95%
The threshold herd immunity for polio in a population is 80% to 85%.
The threshold depends, in part, on how easily the disease is transmitted
The threshold has nothing to do with the effectiveness of a vaccine

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About This Quiz & Worksheet

People don't usually consider themselves part of a herd, but we are, and among us can exist herd immunity. Assess your knowledge of the concept, herd immunity, with this quiz and worksheet. Assessment items will focus on related terminology, facts about the threshold of herd immunity and diseases that have common vaccinations.

Quiz & Worksheet Goals

Assessments will focus on:

The definition of immunity
Herd immunity's meaning
Facts about threshold herd immunity

Skills Practiced

Information recall - access the knowledge you've gained regarding flu immunization for schoolchildren
Defining key concepts - ensure that you can accurately define herd immunity
Distinguishing differences - compare and contrast topics from the lesson such as polio and measles

Additional Learning

Broaden your knowledge of herd immunity with this lesson, Herd Immunity: Definition & Threshold. Objectives covered include:

Know what the threshold of herd immunity depends on
Understand how focusing on one population for vaccines protects other populations
Review how herd immunity can be lost

Practice Exams

Final Exam