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Frequently Asked Questions

Active Cases

How are active cases calculated?

Active cases are calculated as: total confirmed cases excluding persons recovered and lives lost.
This rule can differ between jurisdictions.

NSW Health

NSW Health

From June 12, cases that are not recorded as recovered or deceased after six weeks are not included.
From June 24, active cases are locally acquired COVID-19 cases with onset in the last four weeks. This is based on the date the person first developed symptoms.


Department of Health and Human Services Victoria

From May 7 the Department began publicly reporting active cases by local government area to further enhance transparency. When the LGA is not yet known it will not show in the active numbers.

QLD Health

Queensland Health

Each day, total cases may not equal active plus recovered plus deaths, as information for some cases is still pending and will be updated in due course.

Routine Testing & Under Investigation

What is the difference between routine testing and under investigation?

Routine testing is person tested at a screening clinic, unrelated to any known outbreak.

Under Investigation is a case that came in late and the Department doesn't know whether it came from routine testing or from returned travellers in quarantine.

Community Transmission

What is community transmission?

A community transmission case is when no known source of the virus has been able to be identified.