HLTHWELL.MNLEMOSEEhit2
Infectious disease
a disease likely to be transmitted to people
immunity
the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.
vaccine
A vaccine is a biological preparation that provides active required immunity to a particular disease.
epidemic
a widespread occurrence of an infectious disease in a community at a particular time.
noninfectious disease
A non communicable disease is medical condition or disease that is not caused by infectious agents.
immunization
toxin
immune system
virus
The immune system is the body's defencse against infectionuse organisms and other invaders
an antigenic poison or venom of plant or animal origin, especially one produced by or derived from microorganism ad causing disease when present at low concentration in the body
pathogen