Used when an organization needs innovative thinking and renewed motivation. The design team benefitted from fresh blood, thinking outside the box.
Pro Tip 2/3
Not Literal
The phrase isn't about actual blood, but a metaphor for adding new people. The manager said we needed fresh blood, meaning new employees, not a transfusion.
Pro Tip 3/3
Positive Change
Implies that bringing in new people will have a positive effect on the group. After hiring fresh blood, the project's progress improved dramatically.