Anyone in the building on Monday between 8am and 5pm, and Tuesday between 8am and 2pm should monitor for symptoms.

Those who were on level four of the building on Monday and Tuesday at those times are casual contacts, as is anyone who went to the Calypso Cafe in the building on Monday between 12 and 2pm.

Centrelink and Medicare in Gungahlin has also been added as a casual exposure site for August 13 between 2.40pm and 4pm.

Casual contacts must complete a declaration form, immediately quarantine and get tested for COVID-19.

Sites in Barton, Casey, Chisholm, Greenway and Gungahlin make up the latest additions to casual exposure sites, on dates including August 13, 20, 22, 23, 24, 25 and 26.

Advice to monitor for symptoms has been issues for locations in suburbs including Amaroo, Casey, Chifley, Chisholm, Fyshwick, Greenway, Gungahlin, Macquarie, Mawson, Pialligo, Wanniassa and Weston.

The full list of exposure sites and times is available online.

Gelato Messina on Lonsdale Street in Braddon was dentified as a location of concern in an earlier update to the growing list of ACT exposure sites.

The popular gelato bar is listed as a casual-contact location, with anyone who visited Messina from 4pm to 5.30pm on Sunday required to follow health directions.

People who visited Haig Park from 4.15pm to 5.30pm on the same day are directed to monitor for symptoms, after it too was added to the exposure site list.

People who visited Priceline Pharmacy in Tuggeranong from 10am to 10.45 on Monday are also advised to monitor for symptoms, with it added to areas of concern in Tuggeranong on Thursday night.

ACT Health has now identified more than 420 exposure sites in the ACT since the first case of coronavirus was reported two weeks ago.

READ MORE COVID-19 NEWS:

The outbreak climbed to 190 active cases this week after another 14 cases were recorded in the territory on Wednesday.

Now entering week three of lockdown, ACT Chief Minister Andrew Barr told reporters on Thursday the way out of lockdown would be slow and measured.

"Spring is going to be difficult," Mr Barr said.

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