Pandemic swine influenza virus (H1N1): A threatening evolution |
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Authors: | Madhu Khanna Binod Kumar Neha Gupta Prashant Kumar Ankit Gupta V K Vijayan Harpreet Kaur |
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Institution: | 1.Department of Respiratory Virology, V. P. Chest Institute,University of Delhi,Delhi,India;2.Department of Respiratory Medicine, V. P. Chest Institute,University of Delhi,Delhi,India;3.Indian Council of Medical Research,Ansari Nagar, New Delhi,India |
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Abstract: | “Survival of the fittest” is an old axiom laid down by the great evolutionist Charles Darwin and microorganisms seem to have
exploited this statement to a great extent. The ability of viruses to adapt themselves to the changing environment has made
it possible to inhabit itself in this vast world for the past millions of years. Experts are well versed with the fact that
influenza viruses have the capability to trade genetic components from one to the other within animal and human population.
In mid April 2009, the Centers for Disease Control and Prevention and the World Health Organization had recognized a dramatic
increase in number of influenza cases. These current 2009 infections were found to be caused by a new strain of influenza
type A H1N1 virus which is a re-assortment of several strains of influenza viruses commonly infecting human, avian, and swine
population. This evolution is quite dependent on swine population which acts as a main reservoir for the reassortment event
in virus. With the current rate of progress and the efforts of heath authorities worldwide, we have still not lost the race
against fighting this virus. This article gives an insight to the probable source of origin and the evolutionary progress
it has gone through that makes it a potential threat in the future, the current scenario and the possible measures that may
be explored to further strengthen the war against pandemic. |
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Keywords: | Pandemic Swine influenza virus H1N1 |
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