Polio Vaccine Research Paper

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Some victims develop neurological complications, including stiffness of the neck and back, weak muscles, pain in the joints, and paralysis of one or more limbs or respiratory muscles.

In severe cases it may be fatal, due to respiratory paralysis.

Bulbar polio leads to weakness of muscles innervated by cranial nerves.

Bulbospinal polio is a combination of bulbar and spinal paralysis .

Prevention and control of Influenza with vaccines: Recommendations of the Advisory Committee on Immunization Practices, United States, 2015-16 Influenza Season.

Polio Vaccine Research Paper

Origin of AIDS: contaminated polio vaccine theory refuted.Although approximately 90% of polio infections cause no symptoms at all, affected individuals can exhibit a range of symptoms if the virus enters the blood stream.In about 1% of cases, the virus enters the central nervous system, preferentially infecting and destroying motor neurons, leading to muscle weakness and acute flaccid paralysis.Poliomyelitis was first recognized as a distinct condition by Jakob Heine in 1840.Its causative agent, poliovirus, was identified in 1908 by Karl Landsteiner.Polio can be spread through contact with contaminated faeces (for example, by changing an infected baby’s diapers) or through airborne droplets, in food, or in water.The virus enters the body by nose or mouth, and then travels to the intestines where it incubates.Although major polio epidemics were unknown before the late 19th century, polio was one of the most dreaded childhood diseases of the 20th century.Polio epidemics have crippled thousands of people, mostly young children; the disease has caused paralysis and death for much of human history. Thirty-five year mortality following receipt of SV40-contaminated polio vaccine during the neonatal period. Disease considered as candidates for global eradication by the International Task Force for Disease Eradication.

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