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Poliomyelitis (/ ˌ p oʊ l i oʊ ˌ m aɪ ə ˈ l aɪ t ɪ s / POH-lee-oh-MY-ə-LY-tiss), commonly shortened to polio, is an infectious disease caused by the poliovirus. [1] Approximately 75% of cases are asymptomatic; [5] mild symptoms which can occur include sore throat and fever; in a proportion of cases more severe symptoms develop such as headache, neck stiffness, and paresthesia.
How dangerous is polio? ... Why is polio more common in children than adults? Most cases of polio occur in children under 5 years old. ... “This is what probably happened in the recent polio ...
The virus infects the throat and intestines, and can cause flu-like symptoms. Paralysis from the polio virus is rare. This year, polio cases have been detected in New York state, London and Jerusalem.
A few could contract meningitis if the polio virus attacks the covering of the spinal cord or brain. Polio is fatal for 2%-10% of those paralyzed or between 1 in 2,000 to 1 in 10,000 of those ...
The vaccine derived from this strain, novel oral polio virus type 2 (nOPV2), was granted emergency licencing in 2021, and subsequently full licensure in December 2023. [75] Genetically stabilsed vaccines targeting poliovirus types 1 and 3 are in development, with the intention that these will eventually completely replace the Sabin vaccines.
The most prominent example of contact immunity was the oral polio vaccine (OPV). This live, attenuated polio vaccine was widely used in the US between 1960 and 1990; it continues to be used in polio eradication programs in developing countries because of its low cost and ease of administration. It is popular, in part, because it is capable of ...
Despite eradication in recent years, the polio virus is a deadly illness which wreaked havoc in the UK in the 1950s. ... although it can also impact unvaccinated adults.
Polio has been a common childhood vaccine since the 1950s, but do adults need a polio booster? What about if you’re planning to travel? Infectious disease experts break it down.