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 …

Abstract" Survival of the fittest" is an old axiom laid down by the great evolutionist Charles
Darwin and micro-organisms 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 …