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March 24, 2017

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Which of the following would increase the chance of a successful infection?

A. The host has a strong immune system.

B. The pathogen is very virulent.

C. The pathogen population at the infection site is small

D. A and B

E. A, B, and C

  • Biology - ,

    If you have meant what you post, the answer is B.

    Sra

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