WOAH: Lack of biosecurity seemingly case of Swiss HPAI case

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An absence of biosecurity measures is the seemingly explanation for a extremely pathogenic avian influenza (HPAI) outbreak at small egg operation in Zurich, Switzerland, a latest report from the World Organisation for Animal Well being (WOAH) acknowledged.

In March, it was reported {that a} small poultry holding the place eggs have been offered was the location of an HPAI case.

There have been 44 laying hens on the farm, and of these 14 had died. Swab samples have been taken of the chickens, which examined constructive for H5N1 HPAI by the Institute of Virology and Immunology.

An up to date report on the scenario was launched this week by the WOAH, the place it was decided that as a result of the promoting level of eggs was inside the realm the place the birds have been saved, the virus seemingly entered the location by way of prospects who purchased eggs.

“The promoting level of eggs is contained in the animal location. Prospects may freely enter the secure to select up eggs. Biosecurity measures weren’t in place. Therefore, the virus likely entered on the footwear or garments of consumers into the institution. In the identical area, avian influenza in wild birds has been confirmed earlier than and is taken into account to be circulating at current,” the report acknowledged.

WOAH additionally famous that management measures to guard poultry, together with conserving the birds inside, had been in place at this property since November 2022, and there have been no epidemiologically related contacts to different institutions conserving poultry. 

HPAI in Swiss non-poultry

In a separate report that provided updates on HPAI circumstances in non-poultry in Switzerland, WOAH mentioned 227 home and wild birds have died as a results of an HPAI an infection, whereas a further 83 birds have been euthanized and disposed of.

Confirmed circumstances of HPAI in non-poultry birds in Switzerland to this point have concerned the next species: gray heron, Eurasian buzzard, black-headed gull, white stork, black swan, mute swan, peregrine falcon, Caspian gull, yellow-legged gull, crimson kite, nice crested grebe, widespread tern and little grebe.

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