Effector
Phase of type IV - 1
U does not
show clinical symptoms until 24 hours following subsequent contact with antigen
Upeak response
occurs between 48 - 72 hours
UT-DTH cells secrete a variety of cytokines that
are responsible for :
erecruitment
& activation of macrophages
erecruitment
& activation of other non- specific inflammatory cells
UGenerally the
antigen is cleared with little tissue damage
UIf the
antigen is not cleared easily, a granuloma may develop
