Polio Vaccine Research Paper

Polio Vaccine Research Paper-64
Essay text: As the children got older and began playing with others, swimming in public pools, and going to school, they were more likely to be exposed to the virus, which was then more likely to cause paralytic poliomyelitis.Since Polio was very fearsome at the beginning of 20th century, both health and civil society organizations have done so many things for the fight over Polio...

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Postpolio syndrome is characterized by the exacerbation of existing or new health problems, most often muscle weakness and fatigability, general fatigue, and pain, after a period of stability subsequent to acute polio infection.

Diagnosis is based on the presence of a lower motor neuron disorder that is supported by neurophysiological findings, with exclusion of other disorders as causes of the new symptoms.

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.

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.

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.

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.


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