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Causes of Filovirus

Primary Cause of Filovirus

The primary cause of Filovirus is the result:

  • of transmission of an infectious agent by another person by one or more of the following: saliva, air, cough, fecal-oral route, surfaces, blood, needles, blood transfusions, sexual contact, mother to fetus, etc.

Filovirus Causes: Risk Factors

The following conditions have been cited in various sources as potentially causal risk factors related to Filovirus:

Filovirus: Related Medical Conditions

To research the causes of Filovirus, consider researching the causes of these these diseases that may be similar, or associated with Filovirus:

Filovirus: Causes and Types

Causes of Types of Filovirus: Review the cause informationfor the various types of Filovirus:

Causes of Broader Categories of Filovirus: Review the causal information about the various more general categories of medical conditions:

What causes Filovirus?

Article excerpts about the causes of Filovirus:

Viral Hemorrhagic Fevers: DVRD (Excerpt)

Each of these families share a number of features:

  • They are all RNA viruses, and all are covered, or enveloped, in a fatty (lipid) coating.
  • Their survival is dependent on an animal or insect host, called the natural reservoir.
  • The viruses are geographically restricted to the areas where their host species live.
  • Humans are not the natural reservoir for any of these viruses. Humans are infected when they come into contact with infected hosts. However, with some viruses, after the accidental transmission from the host, humans can transmit the virus to one another.
  • Human cases or outbreaks of hemorrhagic fevers caused by these viruses occur sporadically and irregularly. The occurrence of outbreaks cannot be easily predicted.
  • With a few noteworthy exceptions, there is no cure or established drug treatment for VHFs.
(Source: excerpt from Viral Hemorrhagic Fevers: DVRD)

Filoviruses: DVRD (Excerpt)

Structurally, filovirus virions (complete viral particles) may appear in several shapes, a biological feature called pleomorphism. These shapes include long, sometimes branched filaments, as well as shorter filaments shaped like a "6", a "U", or a circle. Viral filaments may measure up to 14,000 nanometers in length, have a uniform diameter of 80 nanometers, and are enveloped in a lipid (fatty) membrane. Each virion contains one molecule of single-stranded, negative-sense RNA. New viral particles are created by budding from the surface of their hosts’ cells; however, filovirus replication strategies are not completely understood. (Source: excerpt from Filoviruses: DVRD)

Filoviruses: DVRD (Excerpt)

It appears that filoviruses are zoonotic, that is, transmitted to humans from ongoing life cycles in animals other than humans. Despite numerous attempts to locate the natural reservoir or reservoirs of Ebola and Marburg viruses, their origins remain undetermined. However, because the virus can be replicated in some species of bats, some types of bats native to the areas where the virus is found may prove to be the viruses’ carriers. (Source: excerpt from Filoviruses: DVRD)

Related information on causes of Filovirus:

As with all medical conditions, there may be many causal factors. Further relevant information on causes of Filovirus may be found in:

 

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