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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.
The polio vaccine has all but obliterated the illness that once killed thousands and paralyzed 15,000 people nationwide every year. Polio is a deadly disease with a vaccine that RFK Jr.’s ...
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.
However, unlike polio itself, post-polio syndrome is not contagious. Why is polio more common in children than adults? Most cases of polio occur in children under 5 years old.
In addition, a vaccine against a given disease may not be recommended for general use in a given country, or may be recommended only to certain populations, such as young children or older adults. Every country makes its own immunization recommendations, based on the diseases that are common in its area and its healthcare priorities.
Post-polio syndrome (PPS, poliomyelitis sequelae) is a group of latent symptoms of poliomyelitis (polio), occurring in more than 80% of polio infections. The symptoms are caused by the damaging effects of the viral infection on the nervous system and typically occur 15 to 30 years after an initial acute paralytic attack.
Preventing polio. The first polio vaccine was developed in the early 1950s by Dr. Jonas Salk and approved for use throughout the US in 1955. It is an injectable, inactivated polio vaccine that is ...
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 ...