EQUIFLUNET

Summary of equine influenza outbreaks: UK and global focus

Disclaimer

In this website an automated analysis of available data is made - the data should be treated in this regard and should not be utilised for any purpose beyond the exploratory viewing of equine influenza outbreaks. These data are based on information received by the Animal Health Trust, Registered Charity Number 209642, which cannot accept any responsibility for the accuracy or completeness of such information. Please email us with any queries.

Data considerations

We define outbreaks as discrete foci of infection, usually a premises, which may involve one or many animals. We avoid using the term case(s) due to a lack of firm data on the actual number of animals affected. Where multiple animals are reported to be clinically affected, we often receive a sample from only one of the clinically affected animals for laboratory testing. Please be aware that the outbreaks reported will only be reported if they have been confirmed to be positive through laboratory testing of one or more of the affected animals. Therefore there may be outbreaks that are not reported as they have not undergone laboratory testing or have not been sampled at an optimal time to obtain a positive test result.

The data presented must be interpreted with caution, as there is likely to be some bias in the way that samples are submitted for laboratory testing and subsequently reported. Consequently these data do not necessarily reflect true equine influenza frequency within the international equine population. A region with no reported outbreaks does not necessarily equate to the disease not being present in that region.

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Analysis - UK and Global

  • This section depicts where and when equine influenza occurred in the UK and the rest of the world respectively for the period selected.
  • Use the time slider to select a date range of interest and press the ANALYSE button to run the analysis
  • The maps will show where, at region level for the UK and country level for the world, reported outbreaks have occurred and coloured by number of outbreaks reported
  • Outbreak curves will show the progression of outbreaks.
Resources

  • These sections contain links to resources for both veterinarians and owners who require more information regarding equine influenza

Select date range of interest

Run analysis

Click on an affected area for total outbreaks and info on reports from that area

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Select date range of interest

Run analysis

Click on an affected area for total outbreaks

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We can help

We are here to help veterinary surgeries when faced with a potential influenza outbreak. You can also find information here on the Animal Health Trust equine flu surveillance scheme, which provides free advice and diagnostic testing for equine influenza to all practices who register.

Are you a vet needing to submit samples for testing?
Download submission forms here

We are an OIE reference laboratory for equine flu and provide support to other laboratories around the World. We also collaborate with an international network of laboratories and experts to help select virus strains suitable for use in commercial vaccines.

Register for our veterinary surveillance scheme

Supported by Horserace Betting Levy Board


We’ll help you identify the signs of equine flu and inform you on the best course of action if you suspect your horse may be infected. You’ll also find useful information about the nature of this infection and how you can vaccinate to protect against influenza in your horse

Our work to protect against equine flu is dependent on equine nasal swab samples, so please call your veterinary surgeon if you think your horse has flu and have them sent in. The Horserace Betting Levy Board supports our work, so we offer free diagnostic testing for suspected cases.

Supported by Horserace Betting Levy Board

Previous reports on equine influenza occurrence in the UK, prior to 2019, can be downloaded here