A vaccine that contains live attenuated (weakened) poliovirus. Abbreviated OPV.
- Polio vaccine, Sabin
The oral polio vaccine (OPV) developed by the Polish-born American microbiologist Albert Sabin (1906-93).
- Polio vaccine, Salk
See polio vaccine, inactivated.
- Polio, abortive
A minor form of infection with poliovirus that accounts for 80 to 90 percent of clinically apparent cases of polio in the US, chiefly in young children. The usual symptoms’slight fever, malaise, headache, sore throat, and vomiting’emerge 3 to 5 days after exposure to the virus. Full recovery occurs in 24 to 72 hours. Abortive […]
An acute and sometimes devastating viral disease. Man is the only natural host for poliovirus. The virus enters the mouth and multiplies in lymphoid tissues in the pharynx and intestine. Small numbers of virus enter the blood and go to other sites where the virus multiplies more extensively. Another round of viremia (virus in the […]
A member of the enterovirus subgroup, family Picornaviridae. Enteroviruses are transient inhabitants of the gastrointestinal tract. Picornaviruses are small viruses with an RNA genome. There are three strains of poliovirus. They are called P1 or the Brunhilde virus, P2 or the Lansing virus, and P3 or the Leon virus). Immunity to one strain of poliovirus […]