Hemorrhagic Fever

Alma Lopez

What is Hemorrhagic Fever?

Is a group of illness caused by four families of viruses:

  1. Ebola
  2. Marburg
  3. Lassa Fever
  4. Yellow Fever viruses

VHFs are caused by viruses of four distinct families: arenaviruses, filoviruses, bunyaviruses, and flaviviruses.

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What are the symptoms of Hemorrhagic Fever?

  • fatigue
  • fever
  • weakness
  • dizziness
  • muscle aches

Patients with more severe infections show bleeding under the skin, internal organs, or even from bodily orifices like the mouth, eyes, or ears. Some patients develop severe diarrhea that may also be bloody, and severely ill patients present with shock, delirium, seizures, kidney failures, and coma that often ends in death.

How is Hemorrhagic Fever is diagnosis?

To get an accurate diagnosis you must get a blood sample.

How is the disease transmitted?

It is transmitted originally by animals and bugs, usually rodents, ticks, and mosquitoes. Some of the viruses can then be spread from person to person like Ebola and Lassa Fever.

Relative Frequency and Target Audience

The target audience is anyone who is in areas with the vectors. The virsus that are classified in hemorrhagic fever can be found anywhere in the world. But frequency increases in places with higher host populations.

Possible Complications

  • Brain
  • Eyes
  • Heart
  • Kidneys
  • Liver
  • Lungs
  • Spleen

In some cases, the damage is severe enough to cause death.

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Disease Course

The top panel shows the symptoms associated with each of the three clinical phases of Marburg hemorrhagic fever. The middle panel shows the current methods for diagnostic detection and their application with regard to clinical stages of disease. For reverse transcription PCR, IgM and IgG, the numbers indicate the latest date at which detection has been achieved, while ND indicates that this value has not yet been determined. The lower panel describes the major laboratory findings of Marburg hemorrhagic fever and the times at which they can be measured. The times at which the most anomalous are observed are indicated by asterisks.