New highly transmissible Omicron variants on the march in Australia
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.