Information about contact tracing efforts in Victoria.

What is contact tracing?

Contact tracing is a process of gathering information about the people who someone with coronavirus (COVID-19) has had contact with, and locations the person has been when they are infectious.

Contact tracing is a critical part of our effort to slow the spread of coronavirus (COVID-19) in Victoria.

When a person is tested for coronavirus (COVID-19) they also provide their contact details.

If the test shows that the person has coronavirus (COVID-19), their test results and contact details are sent to the Department of Health and Human Services (DHHS).

DHHS will then contact the person with coronavirus (COVID-19) to do contact tracing.

Contact tracing helps us understand how someone may have caught coronavirus (COVID-19), and to identify any close contacts of the person to ensure they isolate at home. Identifying positive cases of coronavirus (COVID-19) and their close contacts is essential to help slow the spread of coronavirus in our communities.

Contact tracing data

This data tracks weekly contact tracing efforts in Victoria. This includes:

  • The proportion of cases where a person who tested positive was contacted within 24 hours.
  • The proportion of people with coronavirus (COVID-19) who were interviewed as part of contact tracing within 24 hours of DHHS being notified of their positive result.
  • The proportion of people who were notified that they are close contacts of a positive case within 48 hours of DHHS being notified of the positive result.

This data is updated weekly and shows the average across the previous 7 days. It is the most accurate data available to DHHS at the time of publication.

Data for the week to 22 September 2020

Metric

Status to report*

1. Percentage of new positive cases contacted within 24 hours of DHHS being notified of positive result.

100%

2. Percentage of new positive cases interviewed within 24 hours of DHHS being notified of positive result.

98.8%

3. Percentage of known contacts notified within 48 hours of DHHS being notified of positive result.

99.4%

* Data is the average result for cases notified between Wednesday 16 September and Tuesday 22 September 2020.

Data for the week to 15 September 2020

Metric

Status to report*

1. Percentage of new positive cases contacted within 24 hours of DHHS being notified of positive result.

100%

2. Percentage of new positive cases interviewed within 24 hours of DHHS being notified of positive result.

97.9%

3. Percentage of known contacts notified within 48 hours of DHHS being notified of positive result.

99.4%

* Data is the average result for cases notified between Wednesday 9 September and Tuesday 15 September 2020.

How DHHS contacts people with coronavirus (COVID-19)

Multiple attempts are made to contact people within 24 hours.

This includes phone calls and door knocks, and occurs within 24 hours for all cases. 

Despite this, we may not always be able to make contact within the first 24 hours. This may be because people do not answer their phone or door, or incorrect details were provided or collected when the coronavirus (COVID-19) test is taken.

If a person with coronavirus (COVID-19) does not answer a phone call and a follow up door knock, then they are referred to Victoria Police who will investigate.

If the person’s contact details are incorrect, further work is done to find the correct contact details, which may include the help of Victoria Police.

Definitions

A confirmed case is a person who has a positive result from a laboratory test for coronavirus (COVID-19).

A close contact is a person who has had face-to-face contact for more than 15 minutes, or has shared a closed space for more than two hours with a confirmed case of coronavirus (COVID-19) when they were infectious. Read the What to do if you have been in close contact with someone with coronavirus (COVID-19) factsheet (Word) for more information.