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About Influenza

Updated: Wednesday, Dec 02,2009, 3:24:56 PM
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Influenza is caused by different influenza viruses the number of diseases. Influenza may lead to symptoms and effects range from mild to deadly.

2 strains of avian flu, seasonal influenza and H1N1 virus (pig) avian flu currently circulating in the U.S.. Third, the highly lethal H5N1 (bird) flu is being closely followed abroad.

Most healthy people out of flu there is no problem, but some people in high-risk of serious complications.

Wide are working to track and monitor all influenza viruses. In the United States, in the United States Centers for Disease Control (CDC) epidemiologists are working with countries to collect, collate and analyze the report of bird flu. More information about the current situation.

Influenza-like symptoms may include fever, cough, sore throat, runny or stuffy nose, headache, body aches, chills and fatigue. In the avian influenza H1N1 virus infection, vomiting and diarrhea may also occur.

Of seasonal influenza outbreaks usually occur every year in the late autumn through early spring. Most people have immunity, as well as seasonal influenza vaccine is available. In a typical year, about 5 to 20 percent of the population access to seasonal influenza and avian flu-related deaths of about 36,000.

This year, the avian flu H1N1 virus may lead to more people fall ill more dangerous influenza season, hospitalization and death than in the conventional flu season. H1N1 virus is a new virus first appeared in the U.S.. It is transmitted by people and spread to humans. Such as seasonal influenza, H1N1 viruses were associated with different diseases, from mild to severe.

Influenza pandemic occurs when a new influenza virus to emerge, which has little or no immunity in the human population; the virus can cause serious illness, spread by people around the world, it is very easy. In the June 11, 2009, the World Health Organization (WHO) announced that the H1N1 avian flu virus worldwide epidemic.

H5N1 avian influenza (bird) Bird flu is a type A influenza virus subtype is highly contagious among birds. Of rare human H5N1 (avian) the occurrence of avian influenza virus. Confirmed that the majority of cases have occurred in Asia, Africa, Asia Pacific, Europe and the Near East. At present, the United States has not confirmed that the human H5N1 (avian) avian influenza virus, but virus (bird) bird flu remains a serious problem could lead to a fatal plague.

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