The Video lecture from Variety of Life (F.Sc. First Year Biology) covers the life cycle of Human Immunodeficiency Virus and how it infects human T-Lymphocyte cells and cause AIDS disease in the individual. It also covers the symptoms and preventive measures for AIDS. Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.