A vaccine protects from certain diseases by introducing a small and manageable amount of the infectious agent into the system, creating an immune response that is ultimately protective. In this way, the sensibility being expressed by a vaccine connects to moving toward something in order to build up an ability to tolerate it. In a dream, this symbol suggests that your fears would be best conquered by facing them a little at a time.
[1]Guarding or strengthening yourself against attack or intrusion.
Protection or insurance.
Preparing for the future.
Preemptive action to avoid a problem later.
A feeling or fear of attack somewhere in your life.
See Also: Injection
[2]