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News of 24/09/2010
24 September 2010
Epidemiological update of the international situation of avian influenza virus
Highly pathogenic avian influenza (HPAI)
In Vietnam, outbreaks of HPAI H5N1 virus in poultry
Vietnamese health authorities notified the OIE of six new outbreaks of HPAI H5N1 virus. Of a total of about 11,000 birds housed in two farms in the northern part of the country and in four villages in the south, close to 7,000 birds died; the remaining birds were culled.
The national laboratory confirmed infection by an HPAI H5N1 virus using RT-PCR. These outbreaks may be linked to illegal transport of birds and/or passive vectors (vehicles, food, etc.). (Source: OIE, 17 August 2010)
In Russia, measures lifted in an outbreak of HPAI H5N1 virus in wild birds in the Tuva Republic
Russian health authorities notified the OIE on 25 June 2010 of an outbreak of HPAI H5N1 virus in the Tuva Republic, near the Mongolian border. Three-hundred-and-sixty-seven wild birds were found dead near Lake Uvs (see previous Avian influenza update). The birds belonged to the following species: great crested grebe (Podiceps cristatus), goosander (Mergus merganser), grey heron (Ardea cinerea), gadwall (Anas strepera) and Eurasian spoonbill (Platalea leucorodia).
On August 23 2010, Russian health authorities announced that an epidemiological inquiry had been conducted in the region. The origin of the outbreak remains unknown. The bird carcasses were gathered together and incinerated. Restrictions on movement, in force since the outbreak began in the surrounding areas and in two human settlements located nearby, were lifted on August 5. (Source: OIE, 23 August 2010)
Find out more
> The complete review (pdf)
> Avian influenza: our close up "animal health"