Poliomyelitis, commonly shortened to polio, is an infectious disease caused by the poliovirus. In about percent of cases, it moves from the gut to affect the central nervous system and there is muscle weakness resulting in a flaccid paralysis. This can occur over a few hours to a few days. Poliomyelitis — better known as polio — is an infectious disease that most commonly affects children, causing paralysis. Summer of , the U.S. experienced its first polio epidemic, but it.
Adult vaccination In the U.S., adults aren't routinely vaccinated against polio because most are already immune, and the chances of contracting polio are minimal. However, certain adults at high risk of polio who have had a primary vaccination series with either IPV or the oral polio vaccine (OPV) should receive a single booster shot of IPV. Most adults do not need polio vaccine because they were already vaccinated as children. But three groups of adults are at higher risk and should consider polio vaccination in the following situations: You are traveling to a country where the risk of getting polio is greater.