Poliovirus Spread and Prevention

Poliovirus spread and prevention are key to understanding poliomyelitis. Poliomyelitis is caused by poliovirus, a small, non-enveloped, positive-sense RNA virus in the Picornaviridae family and Enterovirus genus. The virus spreads mainly by the fecal-oral route, often through contaminated water or food.

Poliomyelitis is caused by the poliovirus, a non-enveloped RNA virus from the Picornaviridae family.

In young children, the virus enters the body through the fecal-oral route, typically by ingesting contaminated food or water.

Once inside, the virus replicates in the mucosal lining of the throat and intestines, remaining mostly asymp...