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Bird Flu viruses changing
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Over the last 7 years, Bird Flu viruses H5N1 and H7N7 changed their biological qualities drastically as a result of mutations and gained the ability not only to cross the host barrier with direct contamination of people (omitting the intermediate host), but also to cause exceptionally severe clinic
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Bird flu: 10 facts about a future pandemic
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The World Health Organization announced 10 facts, which are necessary to know about a flu pandemic.
1. The bird flu virus affects other living beings including human beings rather seldom. However, it’s capable of mutation –in this case it stops being the bird flu virus and turns into a new “human
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The Spreading of the Bird Flu in Nature
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The birds play an important role in spreading flu, because the subtypes of hemagglutinin (H1, H2 and H3) and neuraminidase (N1 and N2), widely circulating among people, are found in wild fowl. It is considered that the initial reservoir of type A flu is different migratory birds, belonging to the An
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Can spreading of the bird flu be stopped?
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It is feared that the H5N1 virus found in Turkey will soon spread all over Europe.
As the main transmitters of the disease are birds, it is practically impossible to stop the virus from spreading. But this does not mean that the infection will definitely affect domestic birds.
Experts believ
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Can bird flu be transferred from human to human?
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Judging by some signs, such turn of events is possible. However, so far the virus hasn’t mutated into a more complex from, which can cause epidemics.
There are some cases that cause such concerns among scientists. For example, in Thailand a girl infected with bird flu, by some assumptions, may h
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Flu has been known for several millennia
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Flu (influenza) has been known for several millennia. Description of an illness with flu-like symptoms can be found in the works of Hippocrates (he described an epidemic that broke out in 412 B.C.). The first flu epidemic was supposedly described by a Roman historian Titus Livius. It happened in 212
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World Wide bird flu epidemic possible !?
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Experts believe that such a threat does exist. However, in Thailand, for instance, only close relatives of an infected person caught the bird flu infection, and the disease didn’t spread any further.
Besides, the bird flu virus hasn’t yet combined with common forms of human flu. But if it does h
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Bird flu
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The bird flu has spread to the greatest extent on the territory of the USA. The first outbreaks were recorded in 1983-1985 in small chicken-farms and in the markets dealing with a live poultry.
Epizootic outbreak began in Pennsylvania in April, 1983. First low pathogenic H5N2 strain, which cause
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