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27 Community ecology homework shortest answer if possible

Environmental Science
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5.      Deadly diseases often coevolve with their hosts (e.g. myxomatosis and rabbits).  Based on this, what do you predict will happen to the effects of HIV (virus that causes the disease AIDS) on humans over time and why?

Apr 14th, 2015

HIV destroys human immune system. Once a person’s viral load starts rising to higher and higher levels, this is a sign that the immune system is worsening; the disease is reaching a more advanced stage over time. In the final stage of HIV, the immune system is rigorously compromised. Infections become more and worse. CD4+ T-cell counts fall considerably, and viral load increases considerably. When a person’s CD4+ T-cell count falls under 200 cells per cubic millimeter of blood and he or she is diagnosed with a stage-4 HIV-related condition (for instance tuberculosis, cancer, and pneumonia), the HIV has progressed to Acquired Immunodeficiency Syndrome (AIDS). Once HIV progresses to AIDS, a person is more expected to die.


Apr 14th, 2015

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