WATCH: Omicron's BA.4 and BA.5 subvariants are spreading quickly. Here's what you need to know about them

William Huynh
Emma Horn
By William Huynh, and Emma Horn
Updated July 18 2022 - 6:00am, first published July 17 2022 - 11:18pm
The BA.4 and BA.5 Omicron subvariants are quickly becoming dominant

Australians with previous COVID-19 immunity have been warned to be on alert again as early research into the virus' latest variants suggests an ability to evade past protections.

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William Huynh

William Huynh

Journalist

Emma Horn

Emma Horn

Group video editor

National videographer, filmmaker, and editor. Former features and weekender writer for The Daily Advertiser. Small, quiet, and a student of the Julie Bishop School Of Staring. Usually dressed in something colourful, always snacking on something homemade. Friend to most mothers and all dogs. Got stories? Get in touch. emma.horn@austcommunitymedia.com.au

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