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Monday, June 4, 2007

Avian influenza

Virus micrograph image flu bird in end phase.


Flu bird ( English: avian influenza) be contagion which caused by usual virus infects bird and mammal.


Table of contents


1 Source of infection
2 Way of infection
3 Symptom and treatment
4 Spreading case
Epidemic initial 5
6 Sees Also
7 External pranala
Source of infection


Cause flu bird is influenza virus type A disseminating between poultries. This virus then is found can also disseminates to other species like pig, cat, dog, tiger, and man.

Influenza virus type A has some subtype marked existence of Hem agglutinin ( H) and Neuramidase ( Nitrogen). There is 9 variant H and 14 variants N. Virus flu bird is being infectiousing is the existing was subtype H5N1 having incubation time during 3-5 days.

Way of infection


Wild bird and domestication poultry ( livestock) can become source of spreader H5N1. In South-East Asia most case flu bird happened at transportation line or breeding of migration line switching poultry of wild bird.


This virus earns is catching passed air and or contact through food, beverage, and touch. However, this virus will die in high temperature. Therefore flesh, egg, and animal must be cooked ripely to avoid infection. X'self hygiene need to be taken care of also by cleaning hand with antiseptic. Hygiene of body and clothes also need to be taken care of.


Virus can live on at cool temperature. Food-stuff made cool or freezed save virus able to. Hand must be cleaned before and after cooking or touchs raw food-stuff.

Poultry shall not be looked after within doors or residence room. Breeding must be restrained from housing to lessen infection risk.


Not forever if infected virus will generate pain. However, this thing can endanger later because virus always mutation causing has pathogen potency at one time. Therefore, if it is found animal or bird which sudden death the side of authority will make estimation existence of flu bird. To prevent infection, other animal around area having case flu bird need to be annihilated.

Symptom and treatment


Public symptom which can happened is high fever, exhalation sigh and ( possibly) stomach. Virus replication in body can crack on so that patient to need soon gets medical attention.

Medical handling and also drug administration done by medical officer in charge. Drugs that is usually is given is hot decrease and anti virus. Among antivirus which can be applied is type pursuing replication from neuramidase ( neuramidase inhibitor), for example Oseltamivir ( Tamiflu) and Zanamivir. Everyone of antivirus has side effects and need to be given during certain causing is required medical doctor opinion.


Spreading case


By 21 Julies 2005, three fatal cases happened in Tangerang, Indonesia, which caused by flu bird subtype H5N1. Differs from other case in South-East Asia ( Thailand, Kamboja, and Vietnam), this case assumed on unique because victim is not many relating to poultry.


Until 29 Novembers 2006, WHO has noted 258 cases with 154 deaths at man who this is viral with detail of as follows ( sees source):

Vietnam — 93 cases with 42 deaths.


Indonesia — 74 cases with 57 deaths ( state with highest death case).


Thailand — 25 cases with 17 deaths.
RRT — 21 cases with 14 deaths.
Egypt — 15 cases with 7 death.

Turkey — 12 cases with 4 death.


Azerbaijan — 8 case with 5 death.


Cambodia — 6 case with 6 death.


Iraq — 3 case with 2 death.


Djibouti — 1 case without death.


Description: number of cases reported by WHO is number of cases which has been verification with result of laboratory.


Beginning of epidemic


Beginning of epidemic at breeding in a world of had been confirmation since December 2003.
Epidemic flu bird also knocks over the Dark Continent. At 8 February 2006, OIE announces Nigeria as first state having positive case of flu bird in that continent. Two weeks then, virus H5N1 is found in a small countryside in Niger, around 72 kms from its(the frontier with Nigeria. This virus also disseminates to Egypt and Cameroon.


December 2003 South Koreas H5n1

January 2004 Vietnam H5N1

Thailand H5N11

North Korea H5n1

Japan H5n1

Laos H5

Cambodia H5n1


Pakistan H7


Taiwan H5N2


Hongkong2 H5N11


Februarys 2004 Vietnam H5N1


Indonesia H5n11


North Korea H5n11


Japan H5n11


RRT H5N11


United States H2n2,h5n2,h7n2


March 2004 Vietnam H5


Canada H7n31


April 2004 Thailand H51


August 2004 Malaysia H5N1


Afrika Selatan H5N2
South African H5n2


April 2005 North Koreas H7


June 2005 Japans H5n2

July 2005 Philippines H5


Russia H5n11


August 2005 Kazakhstan H5


Mongolia H5n11


October 2005 Rumania H5

Turkey H5N11


Croatia H5N11

November 2005 Vietnam H5N11

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