What is the relationship between levels of CD4 lymphocytes and the likelihood of clinical complications from AIDS?Why does the United States Public Health Service recommend monitoring CD4 counts every 3 to 6 months in patients infected with HIV?

What is the relationship between levels of CD4 lymphocytes and the likelihood of clinical complications from AIDS?

Why does the United States Public Health Service recommend monitoring CD4 counts every 3 to 6 months in patients infected with HIV?
Systemic Lupus Erythematosus (SLE)

Explain the significance of the urinalysis results (Urinalysis: Profuse proteinuria and cellular casts) as they relate to renal involvement with SLE.

Why is the ESR increased in inflammatory conditions?