immunization
US /ˌim.jə.nəˈzeɪ.ʃən/
UK /ˌim.jə.nəˈzeɪ.ʃən/

1.
imunização, vacinação
the action of making a person or animal immune to infection, typically by inoculation.
:
•
Childhood immunization programs have significantly reduced the incidence of many diseases.
Programas de imunização infantil reduziram significativamente a incidência de muitas doenças.
•
The doctor recommended annual flu immunization.
O médico recomendou a imunização anual contra a gripe.