Abstract
Summary
Section of the olfactory tracts of 5 monkeys prevented infection with poliomyelitis virus when administered intranasally. Later, these animals could not be infected by the intravenous route. We believe this is explicable on the basis that the virus, which has been detected in the nasopharynx by ourselves and others, did not reach the central nervous system after excretion onto the nasal mucosa, because of the break in the olfactory pathway.
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