Topics: Infectious Disease Quiz
What is the definition of a Pathogen?
A. an organism causing disease to its host
B. a dead or de-activated disease
C. Something you breathe in
D. an organism that survives a crisis
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Herd immunity means that
A. Nobody in the population will get the disease
B. Individuals who are not vaccinated are protected if most of the population are vaccinated
C. Everyone who comes in contact with the disease will catch it
D. Everyone must get a vaccination