What does it meaning inoculate, in the dream?

1. To provide protection, immunity—usually emo­tional.

2. To inoculate against unforeseen assaults, usually from especially manipulative individuals. ... New American Dream Dictionary

In traditional psychoanalysis, a dream about an injection is often viewed as a dream about sexual intercourse. Can also indicate an influence that is forced on us.

If we had bad experiences with being inoculated as children, then an injection dream can represent any number of different anxieties and fears.... Dream Symbols in The Dream Encyclopedia