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Viruses - hudson.k12.oh.us
Viruses - hudson.k12.oh.us

... • The Human Immunodeficiency Virus (HIV) • Can lead to AIDS (acquired immunodeficiency syndrome) ...
Viruses - Hudson City School District
Viruses - Hudson City School District

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Lentivirus - The Evergreen State College
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20.1 viruses - OG

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Viruses - StantonAPBiology

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Clinical Group - Chulabhorn Research Institute
Clinical Group - Chulabhorn Research Institute

... Disrupting the assembly line Protease Enz cut viral proteins into shorter pieces so that they can incorporated into new viruses -Protease inhibitors block this stage of reproduction by neutralizing the enzyme. They’re even more effective when combined with RT inhibitors ...
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HIV



The human immunodeficiency virus (HIV) is a lentivirus (a subgroup of retrovirus) that causes HIV infection and acquired immunodeficiency syndrome (AIDS). AIDS is a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections and cancers to thrive. Without treatment, average survival time after infection with HIV is estimated to be 9 to 11 years, depending on the HIV subtype. Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, pre-ejaculate, or breast milk. Within these bodily fluids, HIV is present as both free virus particles and virus within infected immune cells.HIV infects vital cells in the human immune system such as helper T cells (specifically CD4+ T cells), macrophages, and dendritic cells. HIV infection leads to low levels of CD4+ T cells through a number of mechanisms, including apoptosis of uninfected bystander cells, direct viral killing of infected cells, and killing of infected CD4+ T cells by CD8 cytotoxic lymphocytes that recognize infected cells. When CD4+ T cell numbers decline below a critical level, cell-mediated immunity is lost, and the body becomes progressively more susceptible to opportunistic infections.
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