Polio is transmitted by ingestion of water contaminated with feces containing polio virus. What portal of entry does polio virus use?

Polio is transmitted by ingestion of water contaminated with feces containing polio virus. What portal of entry does polio virus use?



A) skin only
B) parenteral only
C) mucous membranes only
D) skin and parenteral
E) skin, parenteral, and mucous membranes


Answer: C) mucous membranes only


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