The use of measures to prevent the onset of disease.
Prevention or protection against disease.
An attempt to prevent disease.
A preventive treatment.
Steps taken to prevent (or to reduce the incidence or the severity of) disease—for example, by artifical immunization.
Any measure or action taken to prevent disease.
Treatment or other action intended to prevent the onset of an illness, or to prevent its recurrence if a person has already had it.
Any means taken to prevent disease, such as immunization against diphtheria or whooping cough, or fluoridation to prevent dental decay in children.
Treatment or action adopted with the view of warding off disease. For example, antibiotics are given prophylactically before certain surgical procedures where infection is known to be a high risk.
An action undertaken with the objective of maintaining well-being and/or inhibiting the transmission of disease.