As a third Omicron wave looms, here’s what we know about BA.4 and BA.5

Professor Esterman has a PhD in epidemiology and is a professor of biostatistics at the University of South Australia

3 minutes to read

11th July 2022

Australia is heading for its third Omicron wave in the coming weeks, as BA.4 and BA.5 become the dominant COVID-19 strains.

BA.4 and BA.5 are more infectious than previous COVID-19 variants and subvariants and are

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