Multiple Choice
How does vaccination contribute to herd immunity?
26. Applications of the Immune Response
Introduction to Vaccines
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Which bloodborne pathogen can be prevented with vaccination?
A
Human immunodeficiency virus (HIV)
B
Hepatitis C virus (HCV)
C
Hepatitis B virus (HBV)
D
Treponema pallidum (syphilis)
Verified step by step guidance1
Identify the bloodborne pathogens listed: Human immunodeficiency virus (HIV), Hepatitis C virus (HCV), Hepatitis B virus (HBV), and Treponema pallidum (causative agent of syphilis).
Recall that vaccination is a preventive measure that stimulates the immune system to protect against specific infectious agents before exposure.
Understand that among these pathogens, vaccines are available and widely used for Hepatitis B virus (HBV), which helps prevent infection by inducing immunity.
Note that currently, there are no vaccines available for HIV or Hepatitis C virus (HCV), and syphilis is caused by a bacterium (Treponema pallidum) which is treated with antibiotics rather than prevented by vaccination.
Conclude that the bloodborne pathogen that can be prevented with vaccination is Hepatitis B virus (HBV).
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