Asked by Matthew Petersen on Jul 18, 2024
Verified
What is the name of the phenomenon that explains why a new flu vaccine must be created every year?
A) antigenic drift
B) antigenic shift
C) resistance
D) virulence
Antigenic Drift
Describes natural selection on seasonal influenza viruses that alters the structure of surface proteins, allowing them to evade the antibody-mediated immunity induced during previous infections or vaccinations.
Flu Vaccine
A vaccination that protects against the influenza virus, redeveloped each year to combat the seasonally evolving strains.
Resistance
Resistance refers to the capacity of pathogens to defend against antibiotics or other drugs.
- Acquire knowledge on methods implemented for forecasting and hindering pandemics.
Verified Answer
Learning Objectives
- Acquire knowledge on methods implemented for forecasting and hindering pandemics.
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