Unformatted text preview: Clinically
– person infected with HIV may remain free of HIV-related symptoms
for several years
• despite the fact that HIV continues to replicate in the lymphoid organs
where it initially seeded. – Asymptomatic stage (no symptoms) • Stage 3: Symptomatic HIV infection // Progression to AIDS
– The immune system eventually deteriorates
• The body is unable to fight off other infections.
• The HIV viral load in the blood dramatically increases
• The number of CD4+ T cells drops to dangerously low levels. • Stage 4: Progression from HIV to full-blown AIDS
– one or more opportunistic infections, such as pneumonia or
tuberculosis, and < 200 CD4+ T cells per cubic millimeter of blood.
– Death results...
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- Spring '11
- Math, Artificial Reproductive Technology