Depth Psychology: The dream is a sign that you want to immunize yourself against other people’s hostilities, nastiness, and malice. These people are not important—don’t take them seriously. Besides, everyone is entitled to his own brand of meanness! [1]
To dream that we are being vaccinated therefore suggests we are likely to be hurt by someone (perhaps emotionally). What they are trying to do to us will in the end, however, be helpful.
2- It is very easy for us to be influenced by other people. Vaccination indicates that we can be affected by other people’s ideas and feelings.
3- Vaccination in dreams suggests Spiritual indoctrination. [2]
A dream of seeing others receive a vaccination foretells disappoints in love, or business reversals.
To dream of a vaccination on any part of the body except the arms show that you are contemplating treachery. [3]
2. To inoculate against unforeseen assaults, usually from especially manipulative individuals. [7]