New highly transmissible Omicron variants on the march in Australia

It's expected the BA.5 variant will soon be dominant, leading to many re-infections, an infectious diseases physician says
Associate Professor Sanjaya Senanayake.

Australians should brace for a fresh wave of COVID-19 infections this winter as a new variant of concern is on the verge of becoming dominant in the most populous state, experts warn.

A NSW respiratory surveillance report indicates the prevalence of the Omicron subvariant BA.5 has “increased substantially”, making up nearly a quarter of COVID-19 infections that underwent genome sequencing last week.