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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.
A doctor and professor explains how we have forgotten the contagious and painful symptoms of Polio.
Fluid, white blood cells, dead cellular debris and inactivated viruses resulting from the actions of the immune response can significantly alter the fluid surrounding healthy neurons. The function of these healthy neurons can decline due to disruptions in the cell membrane affecting electrical properties of the neuron or by interfering with the ...
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.
Polio is an infection caused by a virus that mostly affects children under 5. Most people infected with polio don’t have any symptoms, but it can cause fever, headaches, vomiting and stiffness ...
Most cases of polio are in children under 5. But being vaccinated protects against the life-threatening disease. ... when it affects the brain or spinal cord. “A small proportion of people with ...
Oral polio vaccine contains live attenuated (weakened) strains of the three serotypes of poliovirus. Passaging the virus strains in monkey kidney epithelial cells introduces mutations in the viral IRES, and hinders (or attenuates) the ability of the virus to infect nerve tissue. [26]
The recent New York patient was infected with vaccine-derived polio, a strain linked to live virus from an oral polio vaccine not administered in the U.S. It marks the first U.S. of vaccine ...