Sunday, September 5, 2010

Infectious influenza virus history

History can give us an important indication of the H1N1 flu virus contagious 1918-1919, the Spanish flu killed up to 40 million? It 's a fact I discovered is that more people died in all of this particular virus dead of World War I (The Great) together.

The path followed by the human carrier shipping lanes and trade routes are still outbreaks with the massive movement of armies and scattered in several continents.

Curiously, the modelDeath was in the age group 20-40 instead of the usual pattern of younger and older patients. The result of the epidemic was so severe that the average life expectancy was reduced in the United States for a decade.

But this particular version of influenza virus infection has never been isolated in time, and it was not until 1950 that in 26 years, Swedish pathologist Johan Hultin had learned that the village of Brevig, Alaska, where 72 of 80 had a population of died of infectious influenza pandemic, and was buried in a shallow grave in the permafrost. Groped determined to isolate the tissue to the virus, has received permission to excavate the tomb of the lung obtained. His efforts at the time were unsuccessful, as none of the art at the time of culture to live samples.

It 'was only five decades later, is now in his 70th Hultin an article in the journal Science written by Jeffery Taubenberger, who tried to read the 1918 flu samples> Virus, and offered to help by returning the village of Brevig costs in Alaska on his own. He exhumed the body of an obese Inuit from buried permafrost, which takes its name from prehistory "Lucy" who lived about three million years ago in Ethiopia. Meanwhile, the problem of lung Taubenberger of two young soldiers who had died suddenly of respiratory diseases, now with the lung tissue of 'Lucy' (the body of "Lucy" had received some notable examples of lung cancer and wonTissue Taubenberger work) was able to demonstrate that the virus had originated from birds infecting people, and this had changed and contagious flu could be transmitted from person to person.

The result was his enthusiasm forensic Hultin "Indian Jones has described the scientific set." Now in his seventies, is not only a respected retired pathologist, but an avid skier and an avid carpenter, and is still climbing mountains at home, as he is buriedin his work.

Spanish flu

Interestingly, so called because the incidence of influenza in this country, but Spain is a country neutral during World War I, was recognized and could rely on suppliers of "accurate information on the progress of the war, and of course argue about the state of the world influenza contagious.

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