Thursday, September 6, 2012

Vietnam: Emergence of new avian influenza virus


As foreign contractors No. 213/2012 information, the Department of Animal Health (MARD) has officially announced that it has detected a new H5N1 avian influenza virus group: Affiliates (group C).

Has spread to many provinces
According to the Department of Animal Health, recently, avian influenza began to recur in a number of provinces and cities, mainly in the North and North Central. Basically, the H5N1 flu virus, the first branch is still endemic in the southern provinces and branch H5N1 virus circulating in the northern, central and Central Highlands.

Nguyen Van Tung, deputy director of the Central Veterinary Diagnostic Center (DAH) said: "The virus has a very broad distribution and fast in a very short time all the way from South North to Central. In terms of classification called the C group, but relatively close to group A, but do not know the exact origin of this new group of viruses spread from. We are preparing the next job to conduct new vaccine and vaccination experiments identified ".
According to Tung, experts predict genetic group of the new virus is also close to the group A than group B, so we are using the vaccine still capable of protection.
About the dangers the C virus group, Mr Tung said: "Basically, all of the avian influenza virus H5N1 is always dangerous, because they have the ability to spread to humans. Particularly for group C, where dangerous levels can not be determined, because we are continuing to do the next test ".  Meanwhile, according to Nguyen Thanh Son, Deputy Director of Animal Husbandry Department (MARD), this virus group can enter the country by way of smuggled Chinese poultry culling in recent times.
Who killed three people in China
New variant of the H5N1 avian influenza virus isolated called H5N1 - C extremely toxic and has appeared endemic in Taiwan area, Hong Kong and Southern China at the end of 2004. It is particularly concerned that this new strain resistant to all existing vaccines and the risk of spread between people is very high. China's Ministry of Agriculture said the initial getting this new outbreak has killed 1,600 chickens and pathogenic for about 5,500 children. China's Ministry of Agriculture did not specify exactly where the first appearance of H5N1-, but can be derived from a production farm in Xinjiang. In an effort to stamp out the epidemic, the Chinese agricultural quarantine, disinfection and disposal of 156 439 birds in this area.
The Chinese Ministry of Health report said, three fatal cases in Shenzhen in 2011 determined to contain viral pathogens branch of Meanwhile, in Hong Kong, the branch virus infections are usually detected in wild birds in the period from January 12 to May 2. China is vulnerable to avian flu as the country raising up to 25% chicken, 87% and 65% duck geese of the world. According to the World Health Organization (WHO), as of now, in the world with 565 people infected with A/H5N1 flu since the disease has been detected in humans (2003) and 331 cases of which mortality. Some where each face influenza A/H5N1 is Bulgaria, Israel, Mongolia, Nepal, Romania ...
China is testing a vaccine against the branch C.

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