Primary immunodeficiencies (PID) are hereditary disorders where cell types can be absent, decreased or dysfunctional. The majority of PID patients have a defect in the lymphoid system, involving B- and/or T-cells alone or in combination with other cells.

In this webinar, Tomas Kalina will explain the role of flow cytometry in the diagnostics of PID, how to perform severe combined immunodeficiency (SCID) screening by cytometry and what is the expected immunophenotypical changes in PID.