Changes

*Recombinant or synthetic protein

*Recombinant or synthetic protein

**The gene for the [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigen]] required is inserted into a virus vector or cloned into bacteria allowing endogenous expression

**The gene for the [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigen]] required is inserted into a virus vector or cloned into bacteria allowing endogenous expression

**Small [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigens]], such as peptides can be synthetically produced

**Small [[Adaptive Immune System - WikiBlood#Antigen Recognition|antigens]], such as peptides, can be synthetically produced

**E.g. Being developed constantly to fight the Inflenza viruses

**E.g. Being developed constantly to fight the Influenza viruses

**E.g. Canary pox vaccines encoding rabies or FeLV spike proteins (canary pox is safe as it undergoes incomplete replication in mammalian skin cells)

**E.g. Canary pox vaccines encoding rabies or FeLV spike proteins (canary pox is safe as it undergoes incomplete replication in mammalian skin cells)