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== History and Symptoms ==
== History and Symptoms ==
In humans the virus can cause several different syndromes. Usually sufferers have either no symptoms or only a mild illness with fever, [[headache]], [[myalgia]] and [[liver]] abnormalities. In a small percentage of cases (< 2%) the illness can progress to [[hemorrhagic fever]] syndrome, [[meningoencephalitis]] (inflammation of the brain), or affecting the eye. Patients who become ill usually experience fever, generalized weakness, back pain, dizziness, and weight loss at the onset of the illness. Typically, patients recover within 2-7 days after onset.
*'''History''':
**Majority of patients have a self-limiting course of [[Fever|fever]], so history will elicit complaints of high fever along with body aches.
**Patients may also be recognized by inquiring about recent exposure to livestock.
**Patients who are farmers may give history of their livestock being unwell, after which even they began to develop symptoms.
**In rare cases, patient may indicate that the fever has returned and is not subsiding now. This should alarm the physician towards possibility of a complicated course of RVF for that patient.
*'''Common Symptoms'''
**[[Fever|Fever]]
**[[Diffuse pain|Body aches]]
**Weakness
**[[Anorexia|Loss of Appetite]]
**[[Nausea and vomiting|Vomiting]]
**Profuse [[Perspiration|sweating]]
**[[Headache|Headaches]]
**[[Epistaxis|Bleeding from the nose]]


Approximately 1% of human sufferers die of the disease. Amongst livestock the fatality level is significantly higher. In pregnant livestock infected with RVF there is the [[abortion]] of virtually 100% of fetuses. An epizootic (animal disease epidemic) of RVF is usually first indicated by a wave of unexplained abortions.
*'''Symptoms due to complications'''
**Decreased vision
**Pain behind the eye
**[[Photophobia|Increased sensitivity to light]]
**Spots in the visual field
**[[Jaundice|Yellowish discoloration of skin]]
**Blood in vomit, urine or stools
**[[Rash|Body rash]]
**[[Hallucination|Hallucinations]]
**[[Confusion|Disorientation]]
**[[Paralysis|Paralysis]]
==References==
==References==
*https://www.cdc.gov/vhf/rvf/index.html


{{Reflist|2}}
{{Reflist|2}}

Revision as of 16:07, 16 July 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

History and Symptoms

  • History:
    • Majority of patients have a self-limiting course of fever, so history will elicit complaints of high fever along with body aches.
    • Patients may also be recognized by inquiring about recent exposure to livestock.
    • Patients who are farmers may give history of their livestock being unwell, after which even they began to develop symptoms.
    • In rare cases, patient may indicate that the fever has returned and is not subsiding now. This should alarm the physician towards possibility of a complicated course of RVF for that patient.
  • Common Symptoms

References

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