This book covered the material in the light of virology plan for the Study author has tried for renewal, information and developments in the prosecution of this modern science renewed always Every day without some new research and viruses did not exist before Moreover update slum district of viruses, genetic engineering and the use of armored viruses for the treatment of diseases of humans, animals and plants. We will witness the near important research in this science, which began eradicating smallpox virus still far from intensified efforts to combat HIV and AIDS viruses that destroy crops and those that threaten livestock. We will witness the near important research in this science, which began eradicating smallpox virus still far from intensified efforts to combat HIV and AIDS viruses that destroy crops and those that threaten livestock.