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Avian influenza

Avian influenza is a viral infection found in domestic poultry and a wide range of other birds. Wild waterfowl and shorebirds are often subclinically affected carriers of the virus. In poultry, low-pathogenicity strains can cause subclinical infections; however, some strains typically cause respiratory signs or decreased egg production. Highly pathogenic strains may cause widespread organ failure and sudden death, often with high mortality rates. Diagnosis is based on detection of the viral genome or specific antibodies or on virus isolation. Antimicrobials may help control secondary bacterial infection in flocks affected by low-pathogenicity strains. Antiviral drugs are not approved or recommended. Prevention is best accomplished by biosecurity measures. Vaccines matched for antigenic type can greatly increase resistance to infection, prevent clinical signs, and decrease viral shedding in infected flocks.
Yemen has identified Newcastle disease, common among fowl but harmless to humans, as the cause of chicken deaths which have prompted public fears of a possible bird flu outbreak, officials said on Saturday. An official who asked not to be named told Reuters that Newcastle disease and not bird flu was behind the chicken deaths in poultry farms in the Arab country. He declined to give further details. Newspapers quoted residents in some areas as saying large numbers of chickens had died,...
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DuPont™ Virkon® S, the world's premier veterinary disinfectant, recognised by governments worldwide as a disinfectant of choice for the Emergency Disease Control of Avian Influenza, has now been independently proven to be highly effective against the lethal H5N1 strain. Independent tests carried out by the Harbin Veterinary Research Institute, Peoples Republic of China, have proved that DuPont™ Virkon® S completely inactivates the H5N1 virus at dilutions of 1:800 & 1:1000 following a ten...
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International Poultry Council (IPC) -- a global poultry association -- has been formed to fight bird flu worldwide and help poultry industries cooperate with each other to resolve issues that affect them all. IPC Members include Argentina, Brazil, China, European Union, Mexico, Russia, Thailand and the United States, according to a US Grains Council (USGC) report circulated in India. At the formation, delegates adopted a charter agreement whose vision and mission statements and list of...
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The government plans to launch a national register of poultry businesses which a farmers' spokesman said on Friday would enable authorities to tackle any future outbreak of bird flu swiftly. From next month, the Department of Environment, Food and Rural Affairs (Defra) will start inviting new registrations from businesses raising chickens, ducks and other fowl. A spokesman for the National Farmers' Union (NFU) said that if an outbreak occurred, the new register would enable authorities to...
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Italian poultry sales have dropped by 30 to 40 pct in recent days over fears of bird flu, after the disease was detected in poultry in Turkey and Romania, the Italian farmers' confederation said. 'It's a vertical drop for Italian chicken,' the confederation added, saying that prices had dropped to the equivalent of sales six years' ago. The confederation blamed the recent discovery of cases in Turkey and Romania and 'an excessive alarmism' for the drop, which affects the country's 6,000...
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Australia will host a regional summit on bird flu later this month to examine whether Asia-Pacific nations can cope with an outbreak of the deadly virus. Disaster management co-ordinators from 21 countries will meet in Brisbane on October 31 and November 1 to discuss preparations for a potential avian influenza pandemic in the region. It will be the first time the experts, from every Asia-Pacific Economic Cooperation (APEC) economy, have been brought together. Observers from the...
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Southeast Asia's agriculture ministers endorsed a regional plan Friday, Sept. 30, to combat avian influenza and pledged to cooperate with international agencies in stamping out the menace -- a move they hope will win enough international aid to halt the disease before it becomes a catastrophic epidemic with the potential to kill millions of people globally. The ministers from the 10-member Association of Southeast Asian Nations said in a statement that "the highly pathogenic avian...
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Indonesia will slaughter poultry and pigs in areas most infected by bird flu, 10 days after a fourth person died from the disease, a minister said today. The government also plans to draft a law that will allow it to punish farmers who refuse to kill their poultry, Agriculture Minister Anton Apriantono told reporters after a meeting with President Susilo Bambang Yudhoyono to discuss ways to halt the spread of the avian influenza virus. Indonesia confirmed its first bird-flu deaths on...
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EGG producers in the UK could lose their free range status if chickens are kept indoors to stop them catching bird flu, the National Farmers' Union (NFU) warned days ago. The fears come as the Dutch government brings in similar measures to stop commercially farmed poultry catching bird flu from wildfowl. A strain of the virus has already spread into Russia and there are fears that it could reach continental Europe. Charles Bourne, the NFU's poultry board chairman, said there was...
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An outbreak of a mild form of avian influenza was reported in Japan today, as the World Health Organization (WHO) voiced concern about the recent spread of H5N1 avian flu to Russia and Kazakhstan. Japan's Ministry of Agriculture reported that chickens at a farm in Konosu, near Tokyo, had tested positive for avian flu, according to the Chinese news agency Xinhua. "The virus detected is of the H5 variety but is considered to be a weaker type because no mass deaths occurred at the farm," the...
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A bird flu outbreak in Siberia could soon spread to Europe, health officials warned yesterday. The potentially fatal H5N1 strain has reached the Ural Mountains, which separate Europe from Asia. It is feared migratory birds flying to warmer climes could spread the virus to the Mediterranean and Middle East by autumn or spring. More than 11,000 fowl have been culled in the Chelyabinsk region of Siberia, where several geese, ducks and chicken have caught the virus. An isolation ward has...
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Siberia outbreak threatens south, Mediterranean. Russia cordoned off roads and slaughtered hundreds of birds on Monday to contain the advance of a bird flu epidemic toward Western Europe. The country's top state epidemiologist warned that the bird flu outbreak in Siberia also could spread through Russia's key agricultural areas in the south and then on to the Middle East and Mediterranean countries. "An analysis of bird migration routes has shown that in autumn 2005...the H5N1 virus...
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Agriculture Minister Cees Veerman has ordered farms to keep all poultry indoors during the bird migration season to minimise the risk of an outbreak of bird flu in the Netherlands. Farms will have to keep their poultry in sheds until the end of the year and perhaps longer. The regulation announced on Tuesday only relates to commercially-farmed birds and not to hobby poultry because the ministry believes the latter poses a "much smaller risk". Veerman is to talk to representatives of...
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Russian veterinary officials said Tuesday, Aug. 2, that an outbreak of an avian influenza strain that can infect humans has spread to another region in Siberia, while authorities were struggling to contain the virus. The outbreak began in the Novosibirsk region in early July and has killed thousands of domestic fowl. The veterinary service last week identified the virus as the H5N1 strain, which can fatally infect humans, but no human cases have been reported in Russia. The same strain...
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The Russian authorities plan to begin slaughtering poultry on Tuesday in 18 Siberian villages where bird flu has been detected. The strain found in the Novosibirsk region has been identified as H5N1 - the type that has killed at least 57 people in South-East Asia since 2003. An outbreak of bird flu has also been reported in neighbouring Kazakhstan. Russian doctors suspect that migratory birds brought the virus to Siberia, where poultry is now in quarantine. No human cases of the...
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The deadly bird flu virus has broken out in four rural districts of Siberia according to preliminary evidence, the head of Russia’s veterinary surveillance service was cited by Interfax as saying. Following the discovery of the initial outbreak last week in the village of Suzdalka, new evidence suggests outbreaks have occurred in three more districts of the western Siberian region of Novosibirsk — Dovolnoe, Kupino and Chistozernoe, the surveillance service’s head, Sergei Dankvert,...
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Bird flu has hit poultry in a Siberian village, in Russia's first case of the disease for more than 15 years. More than 300 birds have died in Suzdalka, in the Novosibirsk region, and transportation of poultry to and from the village is now banned. An epidemiologist in the region said no humans had contracted the disease, Itar-Tass news agency reported. The strain of the virus involved is not the H5N1 type, which has killed more than 50 people in Asia. There are fears of a...
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The Indonesian government will slaughter all chickens and pigs in areas affected by bird flu outbreaks in the next three days, including two provinces of North Sumatra and Jambi in Sumatra island which have been affected since one month ago, a minister said here Thursday. The government would beef up surveillance over the poultry being traded in order to prevent spreading of the disease, Health Minister Siti Fadilah Supari said. "The formula to prevent the spread of the bird flu in the...
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The Indonesian government has yet to find the source of the bird flu outbreak in the country but suddenly, a fowl traders association is blaming it on hatching eggs smuggled from Malaysia. The Federation of North Sumatra Fowl Associations (Gapsu) claimed that the outbreak was caused by the distribution of hatching eggs smuggled from Malaysia besides the entry of chicken from areas already infected with the virus, like Java and Thailand. "From Aug 23 2004 the Indonesian government has...
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Vietnam will use over 400 million batches of vaccine to inoculate its chickens and ducks against the deadly bird flu that has killed 40 people in the country, half of them since December. Agriculture Deputy Minister Bui Ba Bong said in a plan seen by Reuters on Tuesday that the government would use 415 million doses of Dutch and Chinese vaccines in a programme starting in two provinces from August 1. Other provinces facing high risk of infection would follow between October 1 and...
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