That immunizes

present participle of immunize

(US, uncountable) The process by which an individual is safely exposed in a controlled manner to a material that is designed to prime their immune system against that material.

plural of immunization

plural of immunity

(medicine) Protective resistance against disease. / (law) An exemption from specified duties, such as payments or services. / (law) An exemption from prosecution. / (religion) An exemption from penance.

(epidemiology) A person who is not susceptible to infection by a particular disease

(rare, transitive) To make immune.

(usually with "from") Exempt; not subject to. / (medicine, usually with "to") Protected by inoculation, or due to innate resistance to pathogens. / (by extension) Not vulnerable.

(transitive) To make someone or something immune to something. / (transitive) To inoculate someone, and thus produce immunity from a disease.