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HIV - College Essay

HIV

Biology Essay
Indira Zahra Zafira XI Science B

The No.1 Infectious Disease in the World

What is the no.1 Infectious disease in the world? People asked. The most prominent and substantial disease in the world is HIV/AIDS. People are not strange or unfamiliar with the word " HIV / AIDS ", this disease is becoming very common to the modern age. This disease is the one of the most terrifying disease, why? Because if the HIV virus doesn't kill you, it lets other disease and infections do the killing.

HIV is short for Human Immunodeficiency Virus, which is a retrovirus that causes AIDS (Acquired Immune Deficiency Syndrome). Scientists believe from a recent study that HIV dated back to ...

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an insect, Cholera that is transmitted through food and water, and Tuberculosis that spread via airborne. HIV / AIDS are transmitted between humans through exchange of body fluids, by sexual contact, occupational exposure, injection to drugs, blood transfusion, pregnancy, childbirth and breastfeeding. Through the body fluids from an infected person to an uninfected person, in the body of the uninfected person through this process; The virus infects, destroys, and multiply in the human body cells for immune system which is the T helper lymphocytes, so their number gradually decrease and weakens the immune system. T helper lymphocytes is for recognition and undergo cytokinesis to stimulate the division of B cells into plasma cells and memory cells, Plasma cells of B cells secrete antibodies that will bind with the antigen and weakens the antigen and the memory cells is primary immune response and later a secondary immune response if the antigen returns, and final the T killer cells ...

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PAPER DETAILS

Added: 2/13/2014 09:36:26 PM
Submitted By: zahrazafira
Category: Health & Medicine
Type: Premium Paper
Words: 709
Pages: 3

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