Patient & Visitor Alert: Because flu cases are on the rise, starting February 24, children 12 and younger
will be restricted from visiting hospitals and certain inpatient facilities throughout Carolinas HealthCare System. Learn more.

Carolinas HealthCare System
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FAQs for Immunology and Flow Cytometry

What is a T4/T8 ratio?
A T4/T8 ratio is the ratio of a person's T helper lymphocytes to T suppressor lymphocytes and can indicate how immunocompromised that person may be.