immunize

To make someone or something immune to something.

It is now clear that the brevity of an indecent broadcast – be it word or image – cannot immunize it from FCC censure.

To inoculate someone, and thus produce immunity from a disease.

This kind of warfare [i.e., biological] would have us devouring the world’s children in a manner of speaking and those who are immunologically impaired, presuming we were going to immunize our own population but not those of the antagonist. Thus we would be conducting warfare which by definition would be indiscriminate rather than selective. We would lose control of the evolution of the bacteria that we would be releasing in the multitrillions.

At issue is the so-called MMR vaccine, which immunizes children against measles, mumps and rubella, three potentially deadly diseases that were once common and have been mostly wiped out.