PPT-HUMAN IMMUNODEFICIENCY VIRUSES (HIV-1

HIV2 Introduction HIV is a sexually transmitted human virus The viruses HIV1 and HIV2 were recognized in the 1980s HIV1 is largely responsible for the acquired immune deficiency syndrome AIDS . Intro to viruses. http://www.brainpop.com/health/diseasesinjuriesandconditions/viruses. /. What is a Virus?. Very small . Non-living particle. Made up of nucleic acid. . and proteins. Can only reproduce by infecting living cells. © 2017 Pearson Education, Inc.. Introduction. A . virus . is an obligate, intracellular parasite . Viruses enter a . host. . cell. and use the host’. s biosynthetic machinery to reproduce and synthesize its proteins. Acquired Immune Deficiency Syndrome. HIV/AIDS. HIV-Human Immunodeficiency Virus. AIDS-Acquired Immune Deficiency Syndrome. Normal: T-Cell Count of 800-1200 cells/mm3. Low: T-Cell Count of 650-800 cells/mm3. (HIV). Independent Nursing Studies . NURS 420. . Student Presentation. Objectives. :. History of illness . Definition. OTHER NAMES FOR HIV. Pathophysiology. Diagnosis. Etiology . Signs and symptoms.  . Annamercy Makoni. 1. , Notion Gombe. 1. , More Mungati. 1. , Donewell . Bangure. 1. , . Mufuta Tshimanga. 1. , Milton . Chemhuru. 2.  . . 1. . . Department . of Community Medicine, University of . Two Strains. HIV-1. HIV-2. Kills special blood cells that help fight off infections. CD4 . Virus that can lead to Acquired Immune Deficiency Syndrome. AIDS. Final stage of infection by the HIV virus. VOCABULARY. Virus. Capsid. Envelope. Human . Immunodeficiency Virus (HIV. ). Influenza. Lytic Cycle. Lysogenic Cycle. Lysis. Retrovirus. Prerequisite questions. What are the eight characteristics which all living things have in common. Dirk Douwes-Schultz. Larry Dong. https://www.ted.com/talks/janet_iwasa_why_it_s_so_hard_to_cure_hiv_aids?language=en. (4min30). Summary of the virus. And the Band Played On. Randy Shilts. Summer 1980, Before. Draw the basic structure of a virus. Label and define capsid, viral envelope and nucleic acid.. Ch. 17 Warm-up. Draw the lytic/lysogenic cycle.. What stage of the lytic-lysogenic cycle is a virus virulent? Temperate?. use many of the host cell’s biochemical mechanisms and products to sustain their viability. A mature virus(virion) can exist outside a host cell and still retain its infective properties.. . 3. the virus. Dr. . Mayssaa. . Essam. Immunodeficiency . . . The . immunodeficiency may be the result of defective immunity, both innate and specific, because of . genetic. abnormality (. primary. ) or there is a loss of function because of the damage by . As a group discuss for 1 minute. Be able to defend your answer for the class!. Are . VIRUSES. alive?. Growth and Development. Reproduce. Change Over Time. Obtain and Use Energy. Maintain Homeostasis. Geneva 2019. Dr Venkatraman Chandra-Mouli. DEFINITIONS . Human immunodeficiency virus (HIV): . A virus that targets the immune system & weakens the body’s defense system against infections. . Antiretroviral medicines (ARVs): . Hypersensitivities. Hypersensitivity. Any immune response against a foreign antigen exaggerated beyond the norm. Four types. Type I (immediate). Type II (cytotoxic). Type III (immune complex–mediated).