The poliovirus transmission typically occurs in the mouth and stays in the intestinal tract. After the infection progresses, the virus can infect the bloodstream and central nervous system cells. This leads to paralysis. If it spreads to the respiratory tract, the poliovirus can cause death. 

University of Wisconsin - Madison

Poliomyelitis or polio is caused by the poliovirus. This is a disease that if it spreads to the brain causes paralysis and death. 

Poliomyelitis (Polio)

https://openstax.org/details/books/microbiology/

Microbiology covers the scope and sequence requirements for a single-semester microbiology course for non-majors. The book presents the core concepts of microbiology with a focus on applications for careers in allied health. The pedagogical features of the text make the material interesting and accessible while maintaining the career-application focus and scientific rigor inherent in the subject matter. Microbiology’s art program enhances students’ understanding of concepts through clear and effective illustrations, diagrams, and photographs.

Microbiology is produced through a collaborative publishing agreement between OpenStax and the American Society for Microbiology Press. The book aligns with the curriculum guidelines of the American Society for Microbiology.

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