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FAO, OIE Warn of Avian Influenza’s Rapid Spread

25 November 2014

GLOBAL - FAO and OIE are urging at-risk countries to step-up prevention efforts through increased biosecurity as they warn the new avian influenza virus's spread to Europe threatens the poultry sector, especially in low-resourced countries.

The new bird flu strain detected in Europe is similar to strains reported to be circulating in 2014 in Asia and thus poses a significant threat to the poultry sector, especially in low-resourced countries situated along the Black Sea and East Atlantic migratory routes of wild birds, FAO and the World Organisation for Animal Health (OIE) have warned.

Germany, the Netherlands and the United Kingdom have confirmed the new avian influenza virus strain H5N8 on poultry farms, and German authorities have also found the virus in a wild bird.

Earlier this year, the People's Republic of China, Japan and the Republic of Korea reported outbreaks of H5N8 in poultry as well as findings in migratory birds and waterfowl. The fact that the virus has now been found within a very short time interval in three European countries, both in a wild bird and in three very different poultry production systems, suggests that wild birds may have played a role in spreading the virus, FAO and OIE experts said.

H5N8 has so far not been confirmed to infect people. However, it is highly pathogenic for domestic poultry, causing significant mortality in chickens and turkeys. The virus can also infect wild birds, which show little signs of illness. It is known from other influenza viruses that wild birds are able to carry the virus long distances.

Should poultry systems with low-biosecurity conditions become infected in countries with limited veterinary preparedness, the virus could spread through farms with devastating effects, both on vulnerable livelihoods as well as on country economies and trade. The best way for countries to safeguard against these impacts is to encourage better biosecurity and to maintain surveillance systems that detect outbreaks early and enable veterinary services to respond rapidly.

The new virus strain provides a stark reminder to the world that avian influenza viruses continue to evolve and emerge with potential threats to public health, food security and nutrition, to the livelihoods of vulnerable poultry farmers, as well as to trade and national economies. Therefore extreme vigilance is strongly recommended while progressive control efforts must be sustained and financed.

In particular, to protect poultry-related livelihoods and trade, FAO and OIE are recommending at-risk countries to:

  • increase surveillance efforts for the early detection of H5N8 and other influenza viruses
  • maintain and further strengthen rapid response capacities of veterinary services
  • reinforce biosecurity measures, with particular emphasis on minimizing contact between domestic poultry and wild birds
  • raise awareness of hunters and other individuals who may come into contact with wildlife in order to provide early information on sick or dead wild birds.

The new strain of avian influenza has not resulted in human cases. Nevertheless, it is related to the H5N1 virus, which is known to have spread from Asia into Europe and Africa in 2005-2006. The H5N1 epidemic, in which wild birds have also been implicated, has caused the deaths of nearly 400 people and hundreds of millions of poultry to date. Therefore, prudent and precautionary interventions at the animal level are warranted.

Further Reading

You can visit the Avian Flu page by clicking here.

Original source: FAO report

ThePoultrySite News Desk

Top image via Shutterstock

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