Bird Flu in Europe: US Dairy Cattle Risk – EFSA Update

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Europe on Alert: EFSA Outlines Measures to Prevent H5N1 Bird Flu Spread to Dairy & poultry

The European Food Safety Authority (EFSA) is proactively preparing for a potential outbreak of the H5N1 avian influenza virus, currently affecting dairy cattle in the United States, and has detailed a series of mitigation strategies to protect european livestock and public health. The assessment, requested by the European Commission, focuses on preventing the introduction and spread of this specific viral genotype within the EU.

EFSA’s Proactive Response to US Outbreak

the agency’s latest opinion, following a scientific report published in July 2025 analyzing the US situation and tracking potential spread routes, emphasizes a multi-pronged approach. This includes potential trade restrictions from affected regions and rigorous cleaning protocols for milking equipment. A senior official stated that coordinated action between poultry and dairy sectors is crucial to minimizing the overall impact should the virus arrive in Europe.

Did you know?-H5N1 avian influenza typically spreads among birds, but this recent outbreak demonstrates its ability to infect mammals, specifically dairy cattle, raising concerns about potential mutations.

Preventing Introduction and Spread

To safeguard European farms,experts are recommending a strict set of preventative measures. These include:

• Restricting cattle movement within affected areas.
• avoiding the exchange of workers, vehicles, and equipment between farms.
• Enforcing stringent biosecurity protocols across all livestock operations.

These measures, according to EFSA, will also bolster defenses against other strains of Highly Pathogenic Avian Influenza (HPAI) already circulating in Europe.

Pro tip:-Enhanced biosecurity on farms, including controlled access and thorough disinfection, is the first line of defense against preventing the spread of avian influenza.

Food Safety and the Risk of Transmission

EFSA’s assessment also addresses the potential for viral transmission through the food supply. The primary concern centers around the consumption of raw milk, raw colostrum, and raw milk cream. Though,experts are reassuring,emphasizing that thermal treatment,such as pasteurization,is highly effective in eliminating the virus from milk and milk products.

Importantly, to date, there have been no reported cases of human infection wiht this specific H5N1 genotype through foodborne routes. One analyst noted that this remains a key point of reassurance for consumers.

Looking Ahead: Coordinated Vigilance

The situation remains fluid, and EFSA continues to monitor developments in the US and globally.The agency’s proactive approach underscores the importance of preparedness and coordinated action to protect both animal and public health. The focus now is on implementing these mitigation measures and maintaining a high level of vigilance to prevent the establishment of this concerning H5N1 strain within the European Union.

Reader question:-What further research is needed to fully understand the risks associated with this H5N1 strain and its potential for adaptation?

Why is this happening? The recent outbreak of H5N1 avian influenza in US dairy cattle is the catalyst for EFSA’s alert. The virus, typically affecting birds, has demonstrated the ability to infect mammals, raising concerns about potential spread and mutation.

Who is involved? The key players are the European Food Safety Authority (EFSA), the European Commission (which requested the assessment), and European poultry and dairy farmers. The US outbreak is also central to the situation.

What is being done? EFSA is recommending preventative measures including trade restrictions, rigorous cleaning of milking equipment, restricted cattle movement, and enhanced biosecurity protocols. they are