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Avian influenza, also known as avian influenza, is caused by the strain of influenza A. The H5N1 virus group, which produces more infectious epidemics and deaths in birds and humans. The disease was first identified over 100 years in Italy and, from the time cases appeared in the world.

The more sensitive the avian influenza in poultry, but all bird species are considered sensitive disease. Wild birds, but are more resistant to H5N1. Chickens and turkeys are most susceptible.

The infection caused by avian influenza causes a broad spectrum of symptoms in birds, leading to signs of the disease fatal. Avian influenza is a very dangerous disease because it produces a large spread of the epidemic in birds and direct contact is highly contagious for humans. Symptoms usually appear suddenly and mortality rates in almost all cases 100%.

There are few known cases of transmission of the disease in humans in 1997 to Hong Kong 6 people died of bird flu after a number of 16 was infected. They are also susceptible pigs. After these cases, all poultry in Hong Kong, were destroyed to prevent a catastrophic pandemic.

There are 15 known species of the flu virus, but more dangerous all is the H5N1 virus, which can cause fatal diseases in humans and can mutate rapidly produce new types of control. After surviving the infection, of birds carrying the virus remains active for 10 days and are able to convey to the markets of live poultry and through migratory wild birds. A growing number patients from the man runs the risk of infection from birds and certain types of viruses that infect humans. This would represent an opportunity also for the transmission of pandemic influenza in humans, not only diseased birds to humans.

The first symptoms occur in avian flu are fever, sore throat and cough. In the midst of the flu, other dangerous complications such as respiratory distress and multiple organ failure may occur resulting in death. Different types of viral pneumonia have also found that infection complicates the flu.

Avian influenza can affect previously healthy children and adults, but the most sensitive are those with various chronic conditions. All strains of human and animal origin can now be quickly and accurately diagnosing specific test. Today, drugs highly effective antiviral drugs have been discovered, which can be used in both the treatment and prevention of infection with influenza virus type A. The antiviral grig have its limits, since it is assumed that are most useful in healthy people before.

The appearance a new genetic mutation that would need to least four months to identify an effective vaccine for the entire population, the affected area.

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Article Source: ArticlesBase.com – Useful Information on Bird Flu

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