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← Human Body & HealthWhich risk increases as the interval between vaccine boosters extends beyond the recommended schedule for a subunit vaccine?
A)Increased risk of anaphylactic shock
B)Exaggerated inflammatory response at injection
C)Antibody-dependent enhancement susceptibility rises
D)Memory B cell affinity maturation declines✓
💡 Explanation
As booster intervals lengthen, the opportunity for affinity maturation in memory B cells decreases because the repeated antigen exposure that drives this process is delayed; therefore, immune memory may be less effective at neutralizing new variants, rather than causing immediate hypersensitivity.
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