Spain: 2025 H5N1 in wild birds

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October 28, 2025 - 09:39h
NAIZ

The first case of avian flu has been detected in Navarre, in a migratory crane.

The first case of avian flu in Navarre has been detected in a migratory crane in a wetland in Arguedas.

The Government of Navarre has confirmed the detection of the first case of avian flu in the region, specifically in a dead crane in a wetland in the Arguedas area.

The tests sent to the reference laboratory in Madrid have confirmed the diagnosis, the Executive has reported, noting that the results of three other crane carcasses are still pending.

In this regard, he emphasized that all cases involve wild birds, and that no cases of avian flu have been detected on farms so far.

Although it is not transmitted between humans, infection can occur through contact with sick or dead birds, so it is recommended to follow basic guidelines such as avoiding touching them.

The Directorate General for Agriculture and Livestock maintains direct contact with agricultural organizations, veterinary staff and professionals in the sector and is intensifying surveillance, since avian flu is a category A disease, which entails an eradication strategy by Europe.

Specifically, the confirmation of a positive bird would require the sanitary emptying of the farm, that is, the slaughter of all the specimens that make it up, as well as the establishment of a protection and surveillance radius around the focus.

To prevent possible infections on farms, biosecurity measures are essential, both structural (disinfection of trucks, ventilation systems, control of entry to the buildings, especially of wildlife, among others), as well as situational measures for personnel, that is, vaccination of seasonal human flu and use of masks and gloves.

It is also important to exercise extreme vigilance on a farm and observe factors such as decreased feed consumption by the birds or reduced production, as these can indicate the presence of the virus. In such cases, it is crucial that veterinary staff act quickly to stop its transmission.

Basic guidelines

The General Directorate of Agriculture and Livestock has also contacted hunting associations to inform them firsthand about the situation in order to avoid contact with dead or sick birds.

The Department of Rural Development and Environment and the Navarre Institute of Public and Occupational Health have issued a call for calm among the general public, as avian flu is not transmitted between people. Infection occurs through direct contact with sick or dead birds, and therefore, it is recommended to follow some basic guidelines.

The main precaution is to avoid any contact with sick or dead birds found in nature or on the street. If contact with or handling of sick or dead birds is necessary, gloves and a mask should be worn, followed by proper hand hygiene with soap and water.

Those who keep poultry at home should keep them isolated from wild birds to avoid exposure to infection, and should not consume their eggs or meat without cooking them thoroughly.

https://www.naiz.eus/es/info/noticia/20251028/detectado-el-primer-caso-de-gripe-aviar-en-nafarroa-en-una-grulla-migratoria

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https://wahis.woah.org/#/in-review/6316