Health protection involves the prevention and control of threats to health from communicable diseases and the environment. Health protection is achieved through a complex array of activities involving multiple people and agencies. Among the factors that protect a population's health are:

  • clean drinking water
  • housing that is safe and not overcrowded
  • the safe disposal of waste
  • clean recreational water
  • safe food
  • clean air
  • vaccination
  • education about safe behaviours including hygiene and safe sex
  • sterile equipment used for procedures that penetrate the skin
  • effective medicines for the treatment and prevention of infectious diseases
  • built environments that are conducive to good health


In New South Wales, health protection activities are coordinated by Health Protection NSW, which includes:

Health Protection NSW works closely with public health units in local health districts in the development, implementation and evaluation activities to protect public health.