Vaccination
6 practice questionsPublic HealthStep-by-step solutions
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1
Vaccination against a disease before anyone is infected is an example of which level of prevention?
A.Primary prevention
B.Secondary prevention
C.Tertiary prevention
D.Rehabilitation
2
'Herd immunity' occurs when:
A.Everyone has had the disease
B.A large enough share of a population is immune to slow or stop disease spread
C.Only doctors are vaccinated
D.A disease becomes more contagious
3
What is the main public health purpose of vaccination?
A.Prepare the immune system to recognize a disease agent
B.Replace all medical treatment
C.Increase disease transmission
D.Remove the need for sanitation
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