Poliovirus infection occurs by the fecal-oral route. The host ingests the virus, which replicates in the alimentary tract. The virus is then shed in the feces. Most polio infections are ...

A particular kind of poliovirus is spreading in the United States. The U.S. Centers for Disease Control and Prevention has confirmed that the country now joins a list of around 30 other countries ...

Poliovirus found in samples of wastewater in New York state have been genetically linked to the case of polio that resulted in an unvaccinated man becoming paralyzed earlier this year. New York ...