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poliomyelitis

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poliomyelitis

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Also known as polio, infantile paralysis, acute poliomyelitis, Heine–Medin disease

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Key facts

Medical condition (new).name
Polio
Medical condition (new).synonyms
Poliomyelitis, infantile paralysis, Heine–Medin disease
Medical condition (new).image
Polio lores134.jpg
Medical condition (new).caption
A man with a wasted right leg due to poliomyelitis
Medical condition (new).field
Neurology, infectious disease
Medical condition (new).symptoms
Fever, sore throat
Medical condition (new).complications
Muscle weakness resulting in paralysis; Post-polio syndrome
Medical condition (new).causes
Poliovirus spread by fecal–oral route
Medical condition (new).risks
Poor hygiene
Medical condition (new).diagnosis
Finding the virus in the feces or antibodies in the blood
Medical condition (new).prevention
Polio vaccine
Medical condition (new).treatment
No treatment other than supportive care
Medical condition (new).frequency
30 (wild) + 856 (vaccine-derived) in 2022
Medical condition (new).alt
Polio survivor
Medical condition (new).types
Wild PV types 1,2 & 3; vaccine-derived PV

via Wikipedia infobox

Research

24,992 papers

via PubMed

Wikidata facts

Image
Polio sequelle.jpg
Show 8 more facts
maximal incubation period in humans
35
Commons category
Polio
NCI Thesaurus ID
C35550
minimal incubation period in humans
5
ICD-9-CM
045.90
ICPC 2 ID
N70
hashtag
polio
Sources (7)

via Wikidata · CC0

~49 min read

Article

34 sections
Contents
  • Signs and symptoms
  • Etymology
  • Cause
  • Transmission
  • Pathophysiology
  • Paralytic polio
  • Spinal polio
  • Bulbar polio
  • Bulbospinal polio
  • Diagnosis
  • Prevention
  • Passive immunization
  • Vaccine
  • Treatment
  • Prognosis
  • Recovery
  • Complications
  • Post-polio syndrome
  • Orthotics
  • Epidemiology
  • Circulating vaccine-derived polioviruses
  • Eradication
  • Afghanistan and Pakistan
  • Americas
  • Western Pacific
  • Europe
  • Southeast Asia
  • Middle East
  • Africa
  • History
  • Research
  • References
  • Further reading
  • External links

Poliomyelitis ( ), commonly shortened to polio, is an infectious disease caused by the poliovirus. Approximately 75% of cases are asymptomatic; 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. These symptoms usually pass within one or two weeks. A less common symptom is permanent paralysis, and possible death in extreme cases. Years after recovery, post-polio syndrome may occur, with a slow development of muscle weakness similar to what the person had during the initial infection.

Polio occurs naturally only in humans. It is highly infectious, and is spread from person to person either through fecal–oral transmission (e.g. poor hygiene, or by ingestion of food or water contaminated by human feces), or via the oral–oral route. Those who are infected may spread the disease for up to six weeks even if no symptoms are present. The disease may be diagnosed by finding the virus in the feces or detecting antibodies against it in the blood.

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