Children and teenagers aged 10 to 19 accounted for 4160 of the infections,while under-10s reported 2441 positive tests. There were 3206 cases in people in their 40s and 3048 cases in people in their 30s.
Fewer than 1600 new cases were reported in over-60s.
The number of COVID-positive people in hospital has risen slightly over the past two weeks,after previously declining.
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As of 4pm Friday,there were 1090 people who had tested positive to COVID-19 in the state’s hospitals,including 29 in intensive care. There were 966 people with the virus in hospital last Saturday,although on that day there were 40 COVID-positive people in intensive care.
Data from NSW Health’s most recent COVID-19 surveillance report showed 75 per cent of infections by the week ending March 12 were estimated to be Omicron’s BA.2 variant,anew sub-variant of the virus which is considered to be 25 to 30 per cent more transmissible than earlier Omicron infections.
The report said cases had increased in metropolitan Sydney over the past week,but case rates in rural and regional local health districts have remained stable.