A situation in which a large proportion of the population is immune to a disease through previous vaccination or illness. As a result, it is highly unlikely that the disease will spread from person to person. Non-immune people are indirectly protected from the disease.
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The Department of Health and Aged Care acknowledges First Nations peoples as the Traditional Owners of Country throughout Australia, and their continuing connection to land, sea and community. We pay our respects to them and their cultures, and to all Elders both past and present.