Topics: Microorganism - Diseases Quiz
A person produces antibodies to influenza after vaccination. This is an example of:
A. Natural (passive) immunity
B. Natural (active) immunity
C. Artificial (passive) immunity
D. Artificial (active) immunity
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The blood cells that fight pathogens.
A. Leukocytes
B. Red blood cells
C. Plasma
D. Hemoglobin