Covid-19 Australia: Doherty Institute director says Omicron cases to surge but strain less severe

Doherty Institute director warned Omicron cases will surge to 'very high' level. Sharon Lewin said less severe strain meant restrictions could begin to ease. Changes were recently made to isolation rules and close contact definition. Remarks came after 2GB's Ray Hadley slammed NSW government over Covid NSW reported pandemic record 21,151 cases and Victoria 5,919 infections