New COVID-19 variant detected in multiple states
- admin928749
- 1 day ago
- 2 min read
More than five years after COVID-19 first turned our lives upside down, health officials are once again sounding the alarm — this time about a new variant called NB.1.8.1 that’s starting to spread across Australia just as winter approaches.
This new strain is part of the Omicron family, and while it’s not causing panic just yet, experts are keeping a very close eye on it.
What’s This New Variant?
NB.1.8.1 has popped up in several countries recently — including Hong Kong, mainland China, and parts of the US — and it's now being detected in growing numbers right here in Australia.
The World Health Organisation recently flagged it as a “variant under monitoring”, which means it's not considered dangerous like some previous strains, but its spread is worth tracking.
In Australia, the numbers vary:
In South Australia, it made up less than 10% of sequenced cases.
In Victoria, it was more than 40%.
In Western Australia, wastewater testing shows NB.1.8.1 is now the dominant strain in Perth.
Meanwhile, New South Wales has classified COVID levels as "moderate", with early signs suggesting this new variant could be behind the uptick in cases.
Time for a Booster?
Health Minister Mark Butler says now’s the time to think about your last COVID shot — especially as we head into the colder months.
“If you’re over 75 and it’s been more than six months since your last booster, you should get one,” he told.“If you’re aged 65–74, and it’s been over 12 months, you should also get one. And for everyone else — have a serious think about it.”
When Did NB.1.8.1 Appear?
The WHO says NB.1.8.1 was first detected in samples back in late January 2025. It’s descended from the JN.1 variant, which has been circulating globally.
What Are the Symptoms?
So far, the symptoms are pretty similar to earlier Omicron strains:
Sore throat
Fatigue
Fever
Mild cough
Muscle aches
Nasal congestion
Some people may also experience gastrointestinal issues, but thankfully, there’s no evidence yet that it causes more severe illness than previous variants.
Will Vaccines Still Work?
The good news? Yes.
According to the WHO, current vaccines — particularly the latest booster targeting JN.1 — should still offer strong protection against serious illness from NB.1.8.1.
So while the virus may have changed slightly, our best defence — getting vaccinated and staying up to date — still works.
As always, if you’re feeling unwell or it’s been a while since your last booster, chat to your GP and stay informed through official health channels.
More updates to come on AusNewsLanka.
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