Avian influenza causes: Difference between revisions

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Revision as of 15:19, 23 April 2015

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] For more details about the replication of the avian influenza and mechanism of infection in humans, click here

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [2]; Associate Editor(s)-in-Chief: Yazan Daaboul, M.D.

Overview

Avian influenza is caused by influenza A virus. Neither influenza B nor influenza C causes avian influenza. Influenza belongs to the Orthomyxoviridae family. Influenza is an enveloped, pleomorphic (spherical and filamentous forms) virus that contains a linear, segmented (8 segments), negative-sense, single-stranded RNA genome. The genome is composed of 8 segmented genes that encode 11 proteins.

Cause of Avian Influenza

Avian influenza is caused by influenza A virus. Neither influenza B nor influenza C causes avian influenza.

Family

The influenza virus belongs to the Orthomyxoviridae family.

Genome

The influenza A virus contains linear, segmented, negative-sense, single-stranded RNA.
The RNA genome is segmented into 8 distinct segments.
The total genomic length is approximately 13,000 nucleotides (range from 12,000 to 15,000).
The genome is composed of 8 genes that encode 11 proteins.

Morphology

The influenza virus contains an envelope.
The influenza virus is pleomorphic with spherical and filamentous forms with particles that are approximately 80 nm to 120 nm in diameter.

References

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 {{Avian influenza}}
 {{CMG}}
+For more details about the replication of the avian influenza and mechanism of infection in humans, click [[Avian influenza pathophysiology|here]]
-Please help WikiDoc by adding more content here.  It's easy!  Click  [[Help:How_to_Edit_a_Page|here]]  to learn about editing.
+{{CMG}}; {{AE}} {{YD}}
 ==Overview==
-Avian [[influenza]] is an [[infection]] caused by avian (bird) [[influenza virus|influenza (flu) viruses]]. These [[influenza virus]]es occur naturally among birds. Wild birds worldwide carry the [[virus]]es in their [[intestine]]s, but usually do not get sick from them. However, avian [[influenza]] is very [[contagious]] among birds and can make some domesticated birds, including chickens, ducks, and turkeys, very sick and kill them.  There are many different subtypes of type A [[influenza virus]]es. Usually, “avian [[influenza virus]]” refers to [[influenza A virus]]es found chiefly in birds, but [[infection]]s with these [[virus]]es can occur in humans. “Human [[influenza virus]]” usually refers to those subtypes that spread widely among humans. There are only three known A subtypes of [[influenza virus]]es ([[H1N1]], [[H1N2]], and [[H3N2]]) currently circulating among humans. [[Influenza A virus]]es are constantly changing, and they might adapt over time to infect and spread among humans.
+Avian influenza is caused by influenza A virus. Neither influenza B nor influenza C causes avian influenza. Influenza belongs to the ''Orthomyxoviridae'' family. Influenza is an enveloped, pleomorphic (spherical and filamentous forms) virus that contains a linear, segmented (8 segments), negative-sense, single-stranded RNA genome. The genome is composed of 8 segmented genes that encode 11 proteins.
+==Cause of Avian Influenza==
+Avian influenza is caused by influenza A virus. Neither influenza B nor influenza C causes avian influenza.
+===Family===
+*The influenza virus belongs to the ''Orthomyxoviridae'' family.
+===Genome===
+*The influenza A virus contains linear, segmented, negative-sense, single-stranded RNA.
+*The RNA genome is segmented into 8 distinct segments.
+*The total genomic length is approximately 13,000 nucleotides (range from 12,000 to 15,000).
+*The genome is composed of 8 genes that encode 11 proteins.
+===Morphology===
+*The influenza virus contains an envelope.
+*The influenza virus is pleomorphic with spherical and filamentous forms with particles that are approximately 80 nm to 120 nm in diameter.
 ==References==