34 aids stage i stage ii stages iii and iv stages of

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34 ----------------------------------------- AIDS Stage I Stage II Stages III and IV Stages of HIV Disease
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35 What are the symptoms for each stage of HIV infection? CDC stages I to IV
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36 Symptoms of Acute HIV Infection (CDC Stage I) • Flu-like illness • Aseptic meningitis • Lymphadenopathy • May be no noticeable symptoms
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37 Characteristics of Asymptomatic HIV Infection (CDC Stage II) • No or very few symptoms • Infection has become chronic • This stage is also called clinical latency • Status of provirus
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38 Nonprogressors = people who have been infected with HIV but remain asymptomatic for more than 10 yrs • T cell counts = high • Lymph nodes look fine (no scarring or deterioration) • Plasma Ab levels = very high = both CMI & HMI important for combating HIV Blood of LTS had ability to neutralize HIV LTS had less aggressive/weaker strain of HIV = replicate slower
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39 Symptoms of Persistent Generalized Lymphadenopathy (ARC) (CDC Stage III) • Lymphadenopathy lasting for 6 months or more • Swollen lymph nodes in 2 or more areas of the body • Consistently dropping CD4 T cell counts • Mild infections and rashes • HIV Wasting Syndrome—beginning • HIV neurological disease—beginning
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40 CDC Stages of HIV Infection Stage IV—Continuing ARC and AIDS • Continuing lymphadenopathy • More severe ‘HIV Wasting Syndrome’ • More severe ‘HIV Neurological Disease’ • CD4 T cell counts continue to drop toward 200 and below
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