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Posts Tagged ‘biosecurity’

S. Korea Bans US Poultry Due to HPAI Concerns

Posted by feww on December 21, 2014

Highly Pathogenic H5 Avian Influenza Confirmed in Wild Birds in Washington State: USDA

South Korea has banned U.S. poultry imports following an outbreak of avian influenza (AI) in the US, said the Agriculture Ministry.

Authorities say the move is a “quarantine measure” to prevent the highly pathogenic (HPAI) virus from entering the country.

Highly pathogenic H5 avian influenza was confirmed in wild birds in Washington state—H5N2 detected in northern pintail ducks, and H5N8 found in captive gyrfalcons.

However, neither virus found in commercial poultry in U.S., and there’s no public health concern at this time, said USDA.

The United States Department of Agriculture’s (USDA) Animal and Plant Health Inspection Service (APHIS) confirmed the presence of highly pathogenic (HPAI) H5 avian influenza in wild birds in Whatcom County, Washington. Two separate virus strains were identified: HPAI H5N2 in northern pintail ducks and HPAI H5N8 in captive Gyrfalcons that were fed hunter-killed wild birds. Neither virus has been found in commercial poultry anywhere in the United States and no human cases with these viruses have been detected in the United States, Canada or internationally. There is no immediate public health concern with either of these avian influenza viruses.

Both H5N2 and H5N8 viruses have been found in at least 18 other countries, but they “have not caused any human infection to date.”

The finding in Whatcom County was reported and identified quickly due to increased surveillance for avian influenza in light of HPAI H5N2 avian influenza outbreaks in poultry affecting commercial poultry farms in British Columbia, Canada. The northern pintail duck samples were collected by officials from the Washington Department of Fish and Wildlife following a waterfowl die-off at Wiser Lake, Washington, and were sent to the U.S. Geological Survey (USGS) National Wildlife Health Center for diagnostic evaluation and initial avian influenza testing. The U.S. Department of the Interior’s USGS, which also conducts ongoing avian influenza testing of wild bird mortality events, identified the samples as presumptive positive for H5 avian influenza and sent them to USDA for confirmation. The gyrfalcon samples were collected after the falconer reported signs of illness in his birds.

“Wild birds can be carriers of HPAI viruses without the birds appearing sick. People should avoid contact with sick/dead poultry or wildlife. If contact occurs, wash your hands with soap and water and change clothing before having any contact with healthy domestic poultry and birds,” said USDA in a statement.

HPAI would have significant economic impacts if detected in U.S. domestic poultry. Commercial poultry producers follow strict biosecurity practices and raise their birds in very controlled environments. Federal officials emphasize that all bird owners, whether commercial producers or backyard enthusiasts, should continue practicing good biosecurity. This includes preventing contact between your birds and wild birds, and reporting sick birds or unusual bird deaths to State/Federal officials, either through your state veterinarian or through USDA’s toll-free number at 1-866-536-7593. Additional information on biosecurity for backyard flocks can be found at healthybirds.aphis.usda.gov.

CDC says the risk to people from HPAI H5 infections in wild birds is low because (like H5N1) these viruses do not currently infect humans easily, and even if a person is infected, the viruses do not spread easily to other people.

Avian influenza (AI) is caused by influenza type A viruses which are endemic in some wild birds (such as wild ducks and swans) which can infect poultry (such as chickens, turkeys, pheasants, quail, domestic ducks, geese and guinea fowl). AI viruses are classified by a combination of two groups of proteins: hemagglutinin or “H” proteins, of which there are 17 (H1–H17), and neuraminidase or “N” proteins, of which there are 10 (N1–N10). Many different combinations of “H” and “N” proteins are possible. Each combination is considered a different subtype, and can be further broken down into different strains. AI viruses are further classified by their pathogenicity—the ability of a particular virus to produce disease in domestic chickens.

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Major FMD Outbreak in Egypt Threatens N Africa, Mideast

Posted by feww on March 26, 2012

FMD has killed thousands of animals, sickened tens of thousands more in Lower Nile Delta region

A major outbreak of foot-and-mouth disease (FMD) in Egypt is threatening to spread throughout North Africa and the Middle East, the U.N. Food & Agriculture Organization (FAO) has warned.

Disaster Calendar 2012 – March 26

[March 26, 2012]  Mass die-offs resulting from human impact and the planetary response to the anthropogenic assault could occur by early 2016.  SYMBOLIC COUNTDOWN: 1,451 Days Left to the ‘Worst Day’ in Human History

  • Egypt. A major outbreak of foot-and-mouth disease (FMD) in Egypt has killed more than 4,600 farm animals, mostly calves, and sickened more than 40,000 in the Lower Nile Delta region.
    • The disease is threatening to spread throughout North Africa and the Middle East, the U.N. Food & Agriculture Organization (FAO) has warned.
    • The new strain of  the FMD virus known as SAT2 is currently circulating throughout the region.
    • Livestock have no immune protection against SAT2 and vaccines currently available in Egypt are said to be ineffective against the new strain.
    • “The area around the Lower Nile Delta appears to be severely affected,” said FAO’s Chief Veterinary Officer.
    • “Vaccines are in limited supply for the FMD virus now present in Egypt. The country has some reserves of its own vaccines, but these do not protect against the SAT2 strain,” said FAO.
    • Milk, meat and other food products from sick animals are unsafe for consumption mainly because they contaminate the food chain.
    • Some 6.3 million buffalo and cattle and 7.5 million sheep and goats are at risk in Egypt, according to FAO’s livestock census data.
    • FMD  is  highly infectious and affects all cloven-hoofed animals, including sheep, cattle, buffalo, goats and pigs, causing serious production losses, and can be lethal, especially in younger animals.


FMD in mouth. Ruptured oral vesicle in a cow with Foot-and-mouth disease. Photo source: USDA

Global Disasters: Links, Forecasts and Background

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