Changes

*Extracellular bacterial infection needs [[Immunoglobulins|'''antibody''']] production for [[Complement#Opsonisation|opsonisation]] and to activate the [[Complement|complement pathways]]

*Extracellular bacterial infection needs [[Immunoglobulins|'''antibody''']] production for [[Complement#Opsonisation|opsonisation]] and to activate the [[Complement|complement pathways]]

**[[Lymphocytes#B Cells|B cells]] needed

*[[Lymphocytes#B Cells|B cells]] are needed

**[[T cell differentiation#TH2 Cells|T helper type II cells]] needed

*[[T cell differentiation#TH2 Cells|T helper type II cells]] are needed

*Vesicular infections can only be cured by organisms being destroyed inside [[Macrophages|'''macrophages''']]

Vesicular infections can only be cured by organisms being destroyed inside [[Macrophages|'''macrophages''']]

**[[T cell differentiation#TH1 Cells|T helper type I cells]] needed

*[[T cell differentiation#TH1 Cells|T helper type I cells]] are needed

==When do we vaccinate?==

==When do we vaccinate?==