is een specifiek soort: communicable disease.

is een bredere term voor o.a.: flu, grippe, influenza | measles, morbilli, rubeola | diphtheria | scarlatina, scarlet fever | pox | trench mouth, Vincent's angina, Vincent's infection | Cupid's disease, Cupid's itch, dose, sexually transmitted disease, social disease, STD, VD, venereal disease, venereal infection, Venus's curse.

afleiding: catching, communicable, contagious, contractable, transmissible, transmittable.