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1954 Johannesburg outbreak
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During an outbreak of poliomyelitis in Johannesburg from August 1954 to March 1955, there were fourteen reported cases of [[atypical poliomyelitis]].<ref name=":0">{{Cite journal | last = Jackson | first = B | date = May 1957 | title = A disease resembling poliomyelitis; report of an outbreak in Johannesburg | url =http://journals.co.za/content/m_samj/31/21/AJA20785135_45533 | journal = South African Medical Journal | volume = 31| pages = 514-517|via=}}</ref> == Onset == Onset was typically abrupt, often with severe headache.<ref name=":0" /> == Symptoms == Symptoms included:<ref name=":0" /> * No fever or low-grade fever. * Stiffness of the neck and back * Myalgia and muscle weakness * Facial weakness * Paraesthesia in some cases == Findings == * Normal blood * Normal or slightly raised [[sedimentation rate]] * Normal [[cerebrospinal fluid]] pressure (below 50 mg. %) * Negative for [[poliovirus]], [[Coxsackievirus|Coxsackie]], [[Rickettsia]], and infectious [[mononucleosis]] == Epidemiology == The youngest was eight years of age and the oldest, 47, with the majority of patients in their 20s and 30s. Seventy-two percent of cases were female.<ref name=":0" /> == Prognosis == In three cases, there was relapses within weeks of discharge from the hospital. == See also == *[[Epidemic myalgic encephalomyelitis]] *[[List of myalgic encephalomyelitis and chronic fatigue syndrome outbreaks]] ==Learn more== == References == {{Reflist}} [[Category:Outbreaks]] [[Category:History]] [[Category:Outbreaks in the 1950s]] [[Category:Outbreaks in the Republic of South Africa]]
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