Investigations continue into almost two thirds of the record 53 COVID cases across the Illawarra Shoalhaven yesterday.
A spokesperson for the Local Health District said just 18 of the cases are linked to known exposures or family clusters.
There were 35 in Wollongong, 15 in Shellharbour, one in Kiama and two in the Shoalhaven.
"As we've seen since the start of this latest outbreak, the Delta variant of COVID-19 is particularly impacting households and a high number of new cases continue to be linked to known or household cases," the spokesperson said.
More than 60 per cent of yesterday's cases across the Illawarra Shoalhaven were under the age of 40.
"The Delta variant spreads more than twice as easily as the original virus and continues to impact younger people," the spokesperson said.
The Local Health District is urging people not just to comply with the Public Health Orders, but to make practical and sensible decisions to limit the risk of acquiring COVID-19.
"The stay at home restrictions in place are designed to limit interaction between people from different households and reduce mobility to prevent the further spread of COVID-19 in the community," the spokesperson said.
Sewage surveillance has also detected fragments of the virus at the Gerroa treatment plant.
The Illawarra Shoalhaven Local Health District said there have been 51,392 COVID-19 tests conducted among local residents in the past fortnight.
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