1.a process that increases an organisms reaction to antigen and therefore improves its ability to resist or overcome infection
immunisation - a technique used to induce immune resistance to a specific disease in humans (or other mammals) by exposing the individual to an antigen in order to raise antibodies to that antigen
Where it considers it necessary in the interests of public health, a Member State may require persons responsible for marketing:
- live vaccines,
- immunological medicinal products used in the primary immunization of infants or of other groups at risk,
- immunological medicinal products used in public health immunization programmes...