Types
of Immunodeficiencies
UPrimary immunodeficiencies
USecondary
immunodeficiencies
ehereditiary
or congenital
ebecomes
evident in infancy or early childhood
eincreased
susceptibility to infections
eB cell, T
cell, or B & T cell deficiencies
eneutrophil
dysfunction
ecomplement
dysfunction
eDiGeorge=s syndrome (T cell)
eSCID =
severe combined immunodeficiency (T & B cells)
eacquired
(AIDS)
edevelops in
later life
edevelops
secondary to infection
edevelops
secondary to:
_infection,
cancers, immunosuppressive therapy
_diabetes,
burns, or malnutrition
echaracterized
by increased susceptibility to:
_tumors,
infections with opportunistic microorganisms
